88728179913 has 6 divisors (see below), whose sum is σ = 128162926554. Its totient is φ = 59152119936.

The previous prime is 88728179899. The next prime is 88728179923. The reversal of 88728179913 is 31997182788.

It can be written as a sum of positive squares in only one way, i.e., 86161035024 + 2567144889 = 293532^2 + 50667^2 .

It is not a de Polignac number, because 88728179913 - 2²⁴ = 88711402697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88728179923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4929343320 + ... + 4929343337.

It is an arithmetic number, because the mean of its divisors is an integer number (21360487759).

Almost surely, 2^88728179913 is an apocalyptic number.

It is an amenable number.

88728179913 is a deficient number, since it is larger than the sum of its proper divisors (39434746641).

88728179913 is a wasteful number, since it uses less digits than its factorization.

88728179913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858686663 (or 9858686660 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 63.

The spelling of 88728179913 in words is "eighty-eight billion, seven hundred twenty-eight million, one hundred seventy-nine thousand, nine hundred thirteen".