172799999999998 has 64 divisors (see below), whose sum is σ = 301914708480000. Its totient is φ = 72641189862144.

The previous prime is 172799999999989. The next prime is 172800000000031. The reversal of 172799999999998 is 899999999997271.

It is a junction number, because it is equal to n+sod(n) for n = 172799999999891 and 172799999999900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4080358528 + ... + 4080400876.

It is an arithmetic number, because the mean of its divisors is an integer number (4717417320000).

Almost surely, 2^{172799999999998} is an apocalyptic number.

172799999999998 is a deficient number, since it is larger than the sum of its proper divisors (129114708480002).

172799999999998 is a wasteful number, since it uses less digits than its factorization.

172799999999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53209.

The product of its digits is 2733638970384, while the sum is 115.

The spelling of 172799999999998 in words is "one hundred seventy-two trillion, seven hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".