88657172666 has 8 divisors (see below), whose sum is σ = 132987186720. Its totient is φ = 44328110428.

The previous prime is 88657172629. The next prime is 88657172693. The reversal of 88657172666 is 66627175688.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 88657172599 and 88657172608.

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, 79745 + ... + 428571.

It is an arithmetic number, because the mean of its divisors is an integer number (16623398340).

Almost surely, 2^88657172666 is an apocalyptic number.

88657172666 is a deficient number, since it is larger than the sum of its proper divisors (44330014054).

88657172666 is a wasteful number, since it uses less digits than its factorization.

88657172666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475908.

The product of its digits is 40642560, while the sum is 62.

The spelling of 88657172666 in words is "eighty-eight billion, six hundred fifty-seven million, one hundred seventy-two thousand, six hundred sixty-six".