89612799 has 16 divisors (see below), whose sum is σ = 122006400. Its totient is φ = 58489056.

The previous prime is 89612791. The next prime is 89612819. The reversal of 89612799 is 99721698.

It is a happy number.

It is not a de Polignac number, because 89612799 - 2³ = 89612791 is a prime.

It is a super-2 number, since 2×89612799² = 16060907489228802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89612791) 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, 49197 + ... + 50985.

It is an arithmetic number, because the mean of its divisors is an integer number (7625400).

Almost surely, 2^89612799 is an apocalyptic number.

89612799 is a deficient number, since it is larger than the sum of its proper divisors (32393601).

89612799 is a wasteful number, since it uses less digits than its factorization.

89612799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its digits is 489888, while the sum is 51.

The square root of 89612799 is about 9466.4036993993. The cubic root of 89612799 is about 447.4968825142.

It can be divided in two parts, 896 and 12799, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 89612799 in words is "eighty-nine million, six hundred twelve thousand, seven hundred ninety-nine".