88977689 has 4 divisors (see below), whose sum is σ = 89657040. Its totient is φ = 88298340.

The previous prime is 88977671. The next prime is 88977739. The reversal of 88977689 is 98677988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88977689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88977659) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 339479 + ... + 339740.

It is an arithmetic number, because the mean of its divisors is an integer number (22414260).

Almost surely, 2^88977689 is an apocalyptic number.

It is an amenable number.

88977689 is a deficient number, since it is larger than the sum of its proper divisors (679351).

88977689 is a wasteful number, since it uses less digits than its factorization.

88977689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679350.

The product of its digits is 12192768, while the sum is 62.

The square root of 88977689 is about 9432.7985773046. The cubic root of 88977689 is about 446.4371982278.

The spelling of 88977689 in words is "eighty-eight million, nine hundred seventy-seven thousand, six hundred eighty-nine".