88381940646 has 16 divisors (see below), whose sum is σ = 179759880000. Its totient is φ = 28961313768.

The previous prime is 88381940627. The next prime is 88381940651. The reversal of 88381940646 is 64604918388.

It is a super-2 number, since 2×88381940646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124832896 + ... + 124833603.

It is an arithmetic number, because the mean of its divisors is an integer number (11234992500).

Almost surely, 2^88381940646 is an apocalyptic number.

88381940646 is an abundant number, since it is smaller than the sum of its proper divisors (91377939354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88381940646 is a wasteful number, since it uses less digits than its factorization.

88381940646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249666563.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 88381940646 in words is "eighty-eight billion, three hundred eighty-one million, nine hundred forty thousand, six hundred forty-six".