88809977 has 16 divisors (see below), whose sum is σ = 95089680. Its totient is φ = 82790400.

The previous prime is 88809967. The next prime is 88809991. The reversal of 88809977 is 77990888.

It can be written as a sum of positive squares in 8 ways, for example, as 16032016 + 72777961 = 4004^2 + 8531^2 .

It is a cyclic number.

It is not a de Polignac number, because 88809977 - 2⁶ = 88809913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88809937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134027 + ... + 134687.

It is an arithmetic number, because the mean of its divisors is an integer number (5943105).

Almost surely, 2^88809977 is an apocalyptic number.

It is an amenable number.

88809977 is a deficient number, since it is larger than the sum of its proper divisors (6279703).

88809977 is a wasteful number, since it uses less digits than its factorization.

88809977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The square root of 88809977 is about 9423.9045517238. The cubic root of 88809977 is about 446.1565287416.

The spelling of 88809977 in words is "eighty-eight million, eight hundred nine thousand, nine hundred seventy-seven".