88117271638 has 24 divisors (see below), whose sum is σ = 144717098904. Its totient is φ = 39907944000.

The previous prime is 88117271617. The next prime is 88117271639. The reversal of 88117271638 is 83617271188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88117271639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1661938 + ... + 1714138.

It is an arithmetic number, because the mean of its divisors is an integer number (6029879121).

Almost surely, 2^88117271638 is an apocalyptic number.

88117271638 is a deficient number, since it is larger than the sum of its proper divisors (56599827266).

88117271638 is a wasteful number, since it uses less digits than its factorization.

88117271638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52768 (or 52491 counting only the distinct ones).

The product of its digits is 903168, while the sum is 52.

The spelling of 88117271638 in words is "eighty-eight billion, one hundred seventeen million, two hundred seventy-one thousand, six hundred thirty-eight".