89796665 has 12 divisors (see below), whose sum is σ = 125349156. Its totient is φ = 61574688.

The previous prime is 89796661. The next prime is 89796671. The reversal of 89796665 is 56669798.

It can be written as a sum of positive squares in 2 ways, for example, as 18292729 + 71503936 = 4277^2 + 8456^2 .

It is not a de Polignac number, because 89796665 - 2² = 89796661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89796665.

It is not an unprimeable number, because it can be changed into a prime (89796661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183014 + ... + 183503.

It is an arithmetic number, because the mean of its divisors is an integer number (10445763).

Almost surely, 2^89796665 is an apocalyptic number.

It is an amenable number.

89796665 is a deficient number, since it is larger than the sum of its proper divisors (35552491).

89796665 is a wasteful number, since it uses less digits than its factorization.

89796665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366536 (or 366529 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 89796665 is about 9476.1102251926. The cubic root of 89796665 is about 447.8027289021.

The spelling of 89796665 in words is "eighty-nine million, seven hundred ninety-six thousand, six hundred sixty-five".