172338299628 has 72 divisors (see below), whose sum is σ = 456260904960. Its totient is φ = 50539077600.

The previous prime is 172338299603. The next prime is 172338299633. The reversal of 172338299628 is 826992833271.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1869348 + ... + 1959371.

Almost surely, 2^172338299628 is an apocalyptic number.

It is an amenable number.

172338299628 is an abundant number, since it is smaller than the sum of its proper divisors (283922605332).

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

172338299628 is a wasteful number, since it uses less digits than its factorization.

172338299628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828779 (or 3828766 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 172338299628 in words is "one hundred seventy-two billion, three hundred thirty-eight million, two hundred ninety-nine thousand, six hundred twenty-eight".