89751478047 has 64 divisors (see below), whose sum is σ = 151481401344. Its totient is φ = 45913991040.

The previous prime is 89751478043. The next prime is 89751478123. The reversal of 89751478047 is 74087415798.

It is not a de Polignac number, because 89751478047 - 2² = 89751478043 is a prime.

It is a super-2 number, since 2×89751478047² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89751478043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6070458 + ... + 6085224.

It is an arithmetic number, because the mean of its divisors is an integer number (2366896896).

Almost surely, 2^89751478047 is an apocalyptic number.

89751478047 is a deficient number, since it is larger than the sum of its proper divisors (61729923297).

89751478047 is a wasteful number, since it uses less digits than its factorization.

89751478047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188.

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 89751478047 in words is "eighty-nine billion, seven hundred fifty-one million, four hundred seventy-eight thousand, forty-seven".