172579892980 has 96 divisors (see below), whose sum is σ = 397766960640. Its totient is φ = 62376238080.

The previous prime is 172579892971. The next prime is 172579893001. The reversal of 172579892980 is 89298975271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25268206 + ... + 25275034.

It is an arithmetic number, because the mean of its divisors is an integer number (4143405840).

Almost surely, 2^172579892980 is an apocalyptic number.

172579892980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172579892980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198883480320).

172579892980 is an abundant number, since it is smaller than the sum of its proper divisors (225187067660).

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

172579892980 is a wasteful number, since it uses less digits than its factorization.

172579892980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529 (or 7527 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 67.

The spelling of 172579892980 in words is "one hundred seventy-two billion, five hundred seventy-nine million, eight hundred ninety-two thousand, nine hundred eighty".