89079765 has 16 divisors (see below), whose sum is σ = 142701696. Its totient is φ = 47451200.

The previous prime is 89079761. The next prime is 89079773. The reversal of 89079765 is 56797098.

It is not a de Polignac number, because 89079765 - 2² = 89079761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89079761) 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, 10960 + ... + 17270.

It is an arithmetic number, because the mean of its divisors is an integer number (8918856).

Almost surely, 2^89079765 is an apocalyptic number.

It is an amenable number.

89079765 is a deficient number, since it is larger than the sum of its proper divisors (53621931).

89079765 is a wasteful number, since it uses less digits than its factorization.

89079765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 89079765 is about 9438.2077218082. The cubic root of 89079765 is about 446.6078519005.

The spelling of 89079765 in words is "eighty-nine million, seventy-nine thousand, seven hundred sixty-five".