88651125891 has 8 divisors (see below), whose sum is σ = 131335001360. Its totient is φ = 59100750576.

The previous prime is 88651125883. The next prime is 88651125947. The reversal of 88651125891 is 19852115688.

88651125891 is a `hidden beast` number, since 8 + 8 + 6 + 51 + 1 + 2 + 589 + 1 = 666.

It is not a de Polignac number, because 88651125891 - 2³ = 88651125883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88651125841) by changing a digit.

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, 1641687490 + ... + 1641687543.

It is an arithmetic number, because the mean of its divisors is an integer number (16416875170).

Almost surely, 2^88651125891 is an apocalyptic number.

88651125891 is a deficient number, since it is larger than the sum of its proper divisors (42683875469).

88651125891 is a wasteful number, since it uses less digits than its factorization.

88651125891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283375042 (or 3283375036 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 54.

The spelling of 88651125891 in words is "eighty-eight billion, six hundred fifty-one million, one hundred twenty-five thousand, eight hundred ninety-one".