89937739 has 4 divisors (see below), whose sum is σ = 89991720. Its totient is φ = 89883760.

The previous prime is 89937737. The next prime is 89937781. The reversal of 89937739 is 93773998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93773998 = 2 ⋅46886999.

It is a cyclic number.

It is not a de Polignac number, because 89937739 - 2¹ = 89937737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89937739.

It is not an unprimeable number, because it can be changed into a prime (89937737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24409 + ... + 27850.

It is an arithmetic number, because the mean of its divisors is an integer number (22497930).

Almost surely, 2^89937739 is an apocalyptic number.

89937739 is a deficient number, since it is larger than the sum of its proper divisors (53981).

89937739 is a wasteful number, since it uses less digits than its factorization.

89937739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980.

The product of its digits is 2571912, while the sum is 55.

The square root of 89937739 is about 9483.5509699690. The cubic root of 89937739 is about 448.0371112832.

The spelling of 89937739 in words is "eighty-nine million, nine hundred thirty-seven thousand, seven hundred thirty-nine".