89137478031 has 16 divisors (see below), whose sum is σ = 140512281600. Its totient is φ = 49179297888.

The previous prime is 89137478021. The next prime is 89137478057. The reversal of 89137478031 is 13087473198.

It is not a de Polignac number, because 89137478031 - 2⁹ = 89137477519 is a prime.

It is a super-2 number, since 2×89137478031² (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 (89137478011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73182871 + ... + 73184088.

It is an arithmetic number, because the mean of its divisors is an integer number (8782017600).

Almost surely, 2^89137478031 is an apocalyptic number.

89137478031 is a deficient number, since it is larger than the sum of its proper divisors (51374803569).

89137478031 is a wasteful number, since it uses less digits than its factorization.

89137478031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146366998.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 89137478031 in words is "eighty-nine billion, one hundred thirty-seven million, four hundred seventy-eight thousand, thirty-one".