88878564 has 36 divisors (see below), whose sum is σ = 225667260. Its totient is φ = 29494080.

The previous prime is 88878553. The next prime is 88878583. The reversal of 88878564 is 46587888.

88878564 is a `hidden beast` number, since 8 + 8 + 8 + 78 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57608100 + 31270464 = 7590^2 + 5592^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 88878564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2854 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (6268535).

Almost surely, 2^88878564 is an apocalyptic number.

It is an amenable number.

88878564 is an abundant number, since it is smaller than the sum of its proper divisors (136788696).

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

88878564 is a wasteful number, since it uses less digits than its factorization.

88878564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020 (or 11015 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 88878564 is about 9427.5428399981. The cubic root of 88878564 is about 446.2713531670.

The spelling of 88878564 in words is "eighty-eight million, eight hundred seventy-eight thousand, five hundred sixty-four".