172473960977280 has 128 divisors (see below), whose sum is σ = 610845278522400. Its totient is φ = 45993056256000.

The previous prime is 172473960977261. The next prime is 172473960977323. The reversal of 172473960977280 is 82779069374271.

172473960977280 is a `hidden beast` number, since 1 + 7 + 2 + 4 + 7 + 3 + 9 + 609 + 7 + 7 + 2 + 8 + 0 = 666.

172473960977280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 172473960977199 and 172473960977208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4990548721 + ... + 4990583280.

Almost surely, 2^{172473960977280} is an apocalyptic number.

172473960977280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172473960977280 is an abundant number, since it is smaller than the sum of its proper divisors (438371317545120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172473960977280 is an equidigital number, since it uses as much as digits as its factorization.

172473960977280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981132029 (or 9981132011 counting only the distinct ones).

The product of its (nonzero) digits is 448084224, while the sum is 72.

The spelling of 172473960977280 in words is "one hundred seventy-two trillion, four hundred seventy-three billion, nine hundred sixty million, nine hundred seventy-seven thousand, two hundred eighty".