89725350918 has 16 divisors (see below), whose sum is σ = 205086516480. Its totient is φ = 25635814536.

The previous prime is 89725350877. The next prime is 89725350937. The reversal of 89725350918 is 81905352798.

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 7 ways as a sum of consecutive naturals, for example, 1068158898 + ... + 1068158981.

It is an arithmetic number, because the mean of its divisors is an integer number (12817907280).

Almost surely, 2^89725350918 is an apocalyptic number.

89725350918 is an abundant number, since it is smaller than the sum of its proper divisors (115361165562).

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

89725350918 is a wasteful number, since it uses less digits than its factorization.

89725350918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136317891.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 89725350918 in words is "eighty-nine billion, seven hundred twenty-five million, three hundred fifty thousand, nine hundred eighteen".