172384081870 has 256 divisors, whose sum is σ = 443304658944. Its totient is φ = 46448640000.

The previous prime is 172384081811. The next prime is 172384081871. The reversal of 172384081870 is 78180483271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172384081871) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35903470 + ... + 35908270.

It is an arithmetic number, because the mean of its divisors is an integer number (1731658824).

Almost surely, 2^172384081870 is an apocalyptic number.

172384081870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172384081870 is an abundant number, since it is smaller than the sum of its proper divisors (270920577074).

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

172384081870 is a wasteful number, since it uses less digits than its factorization.

172384081870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 172384081870 in words is "one hundred seventy-two billion, three hundred eighty-four million, eighty-one thousand, eight hundred seventy".