89752518 has 12 divisors (see below), whose sum is σ = 194463828. Its totient is φ = 29917500.

The previous prime is 89752493. The next prime is 89752543. The reversal of 89752518 is 81525798.

It is a happy number.

89752518 is a `hidden beast` number, since 89 + 7 + 52 + 518 = 666.

It is an interprime number because it is at equal distance from previous prime (89752493) and next prime (89752543).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2493108 + ... + 2493143.

It is an arithmetic number, because the mean of its divisors is an integer number (16205319).

Almost surely, 2^89752518 is an apocalyptic number.

89752518 is an abundant number, since it is smaller than the sum of its proper divisors (104711310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89752518 is a wasteful number, since it uses less digits than its factorization.

89752518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986259 (or 4986256 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 89752518 is about 9473.7805547733. The cubic root of 89752518 is about 447.7293320127.

The spelling of 89752518 in words is "eighty-nine million, seven hundred fifty-two thousand, five hundred eighteen".