89999737 has 4 divisors (see below), whose sum is σ = 91011060. Its totient is φ = 88988416.

The previous prime is 89999711. The next prime is 89999743. The reversal of 89999737 is 73799998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46294416 + 43705321 = 6804^2 + 6611^2 .

It is a cyclic number.

It is not a de Polignac number, because 89999737 - 2¹⁵ = 89966969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89999747) 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, 505528 + ... + 505705.

It is an arithmetic number, because the mean of its divisors is an integer number (22752765).

Almost surely, 2^89999737 is an apocalyptic number.

It is an amenable number.

89999737 is a deficient number, since it is larger than the sum of its proper divisors (1011323).

89999737 is a wasteful number, since it uses less digits than its factorization.

89999737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011322.

The product of its digits is 7715736, while the sum is 61.

The square root of 89999737 is about 9486.8191191779. The cubic root of 89999737 is about 448.1400381333.

The spelling of 89999737 in words is "eighty-nine million, nine hundred ninety-nine thousand, seven hundred thirty-seven".