88820660 has 12 divisors (see below), whose sum is σ = 186523428. Its totient is φ = 35528256.

The previous prime is 88820659. The next prime is 88820689. The reversal of 88820660 is 6602888.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 75307684 = 3676^2 + 8678^2 .

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, 2220497 + ... + 2220536.

It is an arithmetic number, because the mean of its divisors is an integer number (15543619).

Almost surely, 2^88820660 is an apocalyptic number.

It is an amenable number.

88820660 is an abundant number, since it is smaller than the sum of its proper divisors (97702768).

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

88820660 is a wasteful number, since it uses less digits than its factorization.

88820660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441042 (or 4441040 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 88820660 is about 9424.4713379584. The cubic root of 88820660 is about 446.1744174941.

The spelling of 88820660 in words is "eighty-eight million, eight hundred twenty thousand, six hundred sixty".