88021474820 has 12 divisors (see below), whose sum is σ = 184845097164. Its totient is φ = 35208589920.

The previous prime is 88021474813. The next prime is 88021474841. The reversal of 88021474820 is 2847412088.

It can be written as a sum of positive squares in 2 ways, for example, as 16351759876 + 71669714944 = 127874^2 + 267712^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200536851 + ... + 2200536890.

It is an arithmetic number, because the mean of its divisors is an integer number (15403758097).

Almost surely, 2^88021474820 is an apocalyptic number.

It is an amenable number.

88021474820 is an abundant number, since it is smaller than the sum of its proper divisors (96823622344).

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

88021474820 is a wasteful number, since it uses less digits than its factorization.

88021474820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401073750 (or 4401073748 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 88021474820 in words is "eighty-eight billion, twenty-one million, four hundred seventy-four thousand, eight hundred twenty".