89700813 has 12 divisors (see below), whose sum is σ = 129651808. Its totient is φ = 59761800.

The previous prime is 89700811. The next prime is 89700829. The reversal of 89700813 is 31800798.

It is not a de Polignac number, because 89700813 - 2¹ = 89700811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89700811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21006 + ... + 24912.

Almost surely, 2^89700813 is an apocalyptic number.

It is an amenable number.

89700813 is a deficient number, since it is larger than the sum of its proper divisors (39950995).

89700813 is a wasteful number, since it uses less digits than its factorization.

89700813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 89700813 is about 9471.0513144001. The cubic root of 89700813 is about 447.6433389120.

The spelling of 89700813 in words is "eighty-nine million, seven hundred thousand, eight hundred thirteen".