89792947 has 4 divisors (see below), whose sum is σ = 89814496. Its totient is φ = 89771400.

The previous prime is 89792933. The next prime is 89792953. The reversal of 89792947 is 74929798.

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

It is a cyclic number.

It is not a de Polignac number, because 89792947 - 2¹⁵ = 89760179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89792047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (22453624).

Almost surely, 2^89792947 is an apocalyptic number.

89792947 is a deficient number, since it is larger than the sum of its proper divisors (21549).

89792947 is a wasteful number, since it uses less digits than its factorization.

89792947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548.

The product of its digits is 2286144, while the sum is 55.

The square root of 89792947 is about 9475.9140456211. The cubic root of 89792947 is about 447.7965484442.

The spelling of 89792947 in words is "eighty-nine million, seven hundred ninety-two thousand, nine hundred forty-seven".