88777238428 has 12 divisors (see below), whose sum is σ = 155451086280. Its totient is φ = 44362642352.

The previous prime is 88777238399. The next prime is 88777238467. The reversal of 88777238428 is 82483277788.

It is a super-2 number, since 2×88777238428² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88777238428.

It is a congruent number.

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, 6486526 + ... + 6500197.

It is an arithmetic number, because the mean of its divisors is an integer number (12954257190).

Almost surely, 2^88777238428 is an apocalyptic number.

It is an amenable number.

88777238428 is a deficient number, since it is larger than the sum of its proper divisors (66673847852).

88777238428 is a wasteful number, since it uses less digits than its factorization.

88777238428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988436 (or 12988434 counting only the distinct ones).

The product of its digits is 67436544, while the sum is 64.

The spelling of 88777238428 in words is "eighty-eight billion, seven hundred seventy-seven million, two hundred thirty-eight thousand, four hundred twenty-eight".