172797294208 has 384 divisors, whose sum is σ = 467599089600. Its totient is φ = 62705664000.

The previous prime is 172797294179. The next prime is 172797294253. The reversal of 172797294208 is 802492797271.

It is a super-2 number, since 2×172797294208² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79960648 + ... + 79962808.

Almost surely, 2^172797294208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172797294208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233799544800).

172797294208 is an abundant number, since it is smaller than the sum of its proper divisors (294801795392).

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

172797294208 is a wasteful number, since it uses less digits than its factorization.

172797294208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 172797294208 in words is "one hundred seventy-two billion, seven hundred ninety-seven million, two hundred ninety-four thousand, two hundred eight".