88728605971 has 16 divisors (see below), whose sum is σ = 99639747648. Its totient is φ = 78568934400.

The previous prime is 88728605941. The next prime is 88728605983. The reversal of 88728605971 is 17950682788.

It is a cyclic number.

It is not a de Polignac number, because 88728605971 - 2²⁵ = 88695051539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88728605941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836210 + ... + 1883911.

It is an arithmetic number, because the mean of its divisors is an integer number (6227484228).

Almost surely, 2^88728605971 is an apocalyptic number.

88728605971 is a deficient number, since it is larger than the sum of its proper divisors (10911141677).

88728605971 is a wasteful number, since it uses less digits than its factorization.

88728605971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720222.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 88728605971 in words is "eighty-eight billion, seven hundred twenty-eight million, six hundred five thousand, nine hundred seventy-one".