89764645 has 16 divisors (see below), whose sum is σ = 113639040. Its totient is φ = 67881024.

The previous prime is 89764643. The next prime is 89764663. The reversal of 89764645 is 54646798.

It is a cyclic number.

It is not a de Polignac number, because 89764645 - 2¹ = 89764643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89764643) 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, 61312 + ... + 62758.

It is an arithmetic number, because the mean of its divisors is an integer number (7102440).

Almost surely, 2^89764645 is an apocalyptic number.

It is an amenable number.

89764645 is a deficient number, since it is larger than the sum of its proper divisors (23874395).

89764645 is a wasteful number, since it uses less digits than its factorization.

89764645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 1451520, while the sum is 49.

The square root of 89764645 is about 9474.4205627574. The cubic root of 89764645 is about 447.7494962347.

It can be divided in two parts, 89764 and 645, that added together give a palindrome (90409).

The spelling of 89764645 in words is "eighty-nine million, seven hundred sixty-four thousand, six hundred forty-five".