172893109048 has 16 divisors (see below), whose sum is σ = 353644995960. Its totient is φ = 78587776800.

The previous prime is 172893109013. The next prime is 172893109069. The reversal of 172893109048 is 840901398271.

It is a junction number, because it is equal to n+sod(n) for n = 172893108986 and 172893109004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982347123 + ... + 982347298.

Almost surely, 2^172893109048 is an apocalyptic number.

It is an amenable number.

172893109048 is an abundant number, since it is smaller than the sum of its proper divisors (180751886912).

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

172893109048 is a wasteful number, since it uses less digits than its factorization.

172893109048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964694438 (or 1964694434 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 172893109048 in words is "one hundred seventy-two billion, eight hundred ninety-three million, one hundred nine thousand, forty-eight".