89976765 has 8 divisors (see below), whose sum is σ = 143962848. Its totient is φ = 47987600.

The previous prime is 89976751. The next prime is 89976791. The reversal of 89976765 is 56767998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89976765 - 2¹² = 89972669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999211 + ... + 2999240.

It is an arithmetic number, because the mean of its divisors is an integer number (17995356).

Almost surely, 2^89976765 is an apocalyptic number.

It is an amenable number.

89976765 is a deficient number, since it is larger than the sum of its proper divisors (53986083).

89976765 is a wasteful number, since it uses less digits than its factorization.

89976765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998459.

The product of its digits is 5715360, while the sum is 57.

The square root of 89976765 is about 9485.6083094338. The cubic root of 89976765 is about 448.1019063590.

The spelling of 89976765 in words is "eighty-nine million, nine hundred seventy-six thousand, seven hundred sixty-five".