89677688 has 8 divisors (see below), whose sum is σ = 168145680. Its totient is φ = 44838840.

The previous prime is 89677681. The next prime is 89677697. The reversal of 89677688 is 88677698.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89677681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604848 + ... + 5604863.

It is an arithmetic number, because the mean of its divisors is an integer number (21018210).

Almost surely, 2^89677688 is an apocalyptic number.

It is an amenable number.

89677688 is a deficient number, since it is larger than the sum of its proper divisors (78467992).

89677688 is a wasteful number, since it uses less digits than its factorization.

89677688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209717 (or 11209713 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The square root of 89677688 is about 9469.8304103083. The cubic root of 89677688 is about 447.6048679047.

The spelling of 89677688 in words is "eighty-nine million, six hundred seventy-seven thousand, six hundred eighty-eight".