88770564 has 36 divisors (see below), whose sum is σ = 225549324. Its totient is φ = 29437632.

The previous prime is 88770553. The next prime is 88770569. The reversal of 88770564 is 46507788.

88770564 is a `hidden beast` number, since 8 + 87 + 7 + 0 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85377600 + 3392964 = 9240^2 + 1842^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (88770569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (6265259).

Almost surely, 2^88770564 is an apocalyptic number.

It is an amenable number.

88770564 is an abundant number, since it is smaller than the sum of its proper divisors (136778760).

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

88770564 is a wasteful number, since it uses less digits than its factorization.

88770564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12724 (or 12719 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 88770564 is about 9421.8132012899. The cubic root of 88770564 is about 446.0905190065.

The spelling of 88770564 in words is "eighty-eight million, seven hundred seventy thousand, five hundred sixty-four".