88489439028 has 18 divisors (see below), whose sum is σ = 223681637634. Its totient is φ = 29496479664.

The previous prime is 88489439011. The next prime is 88489439047. The reversal of 88489439028 is 82093498488.

88489439028 is a `hidden beast` number, since 8 + 8 + 489 + 43 + 90 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47222766864 + 41266672164 = 217308^2 + 203142^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229019951 + ... + 1229020022.

Almost surely, 2^88489439028 is an apocalyptic number.

It is an amenable number.

88489439028 is an abundant number, since it is smaller than the sum of its proper divisors (135192198606).

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

88489439028 is a wasteful number, since it uses less digits than its factorization.

88489439028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458039983 (or 2458039978 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 88489439028 in words is "eighty-eight billion, four hundred eighty-nine million, four hundred thirty-nine thousand, twenty-eight".