89774739 has 24 divisors (see below), whose sum is σ = 139905792. Its totient is φ = 55261440.

The previous prime is 89774719. The next prime is 89774767. The reversal of 89774739 is 93747798.

It is not a de Polignac number, because 89774739 - 2⁷ = 89774611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89774719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2574 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (5829408).

Almost surely, 2^89774739 is an apocalyptic number.

89774739 is a deficient number, since it is larger than the sum of its proper divisors (50131053).

89774739 is a wasteful number, since it uses less digits than its factorization.

89774739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11144 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 89774739 is about 9474.9532452672. The cubic root of 89774739 is about 447.7662786922.

The spelling of 89774739 in words is "eighty-nine million, seven hundred seventy-four thousand, seven hundred thirty-nine".