89492505975 has 72 divisors (see below), whose sum is σ = 162483796800. Its totient is φ = 47079014400.

The previous prime is 89492505953. The next prime is 89492505979. The reversal of 89492505975 is 57950529498.

89492505975 is a `hidden beast` number, since 8 + 9 + 492 + 50 + 5 + 97 + 5 = 666.

It is not a de Polignac number, because 89492505975 - 2⁶ = 89492505911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89492505979) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8625591 + ... + 8635959.

It is an arithmetic number, because the mean of its divisors is an integer number (2256719400).

Almost surely, 2^89492505975 is an apocalyptic number.

89492505975 is a deficient number, since it is larger than the sum of its proper divisors (72991290825).

89492505975 is a wasteful number, since it uses less digits than its factorization.

89492505975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905 (or 10897 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 63.

The spelling of 89492505975 in words is "eighty-nine billion, four hundred ninety-two million, five hundred five thousand, nine hundred seventy-five".