89157979631723 has 2 divisors, whose sum is σ = 89157979631724. Its totient is φ = 89157979631722.

The previous prime is 89157979631701. The next prime is 89157979631797. The reversal of 89157979631723 is 32713697975198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89157979631723 - 2³⁰ = 89156905889899 is a prime.

It is not a weakly prime, because it can be changed into another prime (89157979636723) 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 as a sum of consecutive naturals, namely, 44578989815861 + 44578989815862.

It is an arithmetic number, because the mean of its divisors is an integer number (44578989815862).

Almost surely, 2^{89157979631723} is an apocalyptic number.

89157979631723 is a deficient number, since it is larger than the sum of its proper divisors (1).

89157979631723 is an equidigital number, since it uses as much as digits as its factorization.

89157979631723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080203040, while the sum is 77.

The spelling of 89157979631723 in words is "eighty-nine trillion, one hundred fifty-seven billion, nine hundred seventy-nine million, six hundred thirty-one thousand, seven hundred twenty-three".