172486880 has 24 divisors (see below), whose sum is σ = 407500632. Its totient is φ = 68994688.

The previous prime is 172486861. The next prime is 172486927. The reversal of 172486880 is 88684271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538862 + ... + 539181.

It is an arithmetic number, because the mean of its divisors is an integer number (16979193).

Almost surely, 2^172486880 is an apocalyptic number.

172486880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172486880 is an abundant number, since it is smaller than the sum of its proper divisors (235013752).

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

172486880 is a wasteful number, since it uses less digits than its factorization.

172486880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078058 (or 1078050 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 172486880 is about 13133.4260572023. The cubic root of 172486880 is about 556.6540273862.

The spelling of 172486880 in words is "one hundred seventy-two million, four hundred eighty-six thousand, eight hundred eighty".