88121873865 has 16 divisors (see below), whose sum is σ = 141029849088. Its totient is φ = 46986715776.

The previous prime is 88121873857. The next prime is 88121873899. The reversal of 88121873865 is 56837812188.

It is not a de Polignac number, because 88121873865 - 2³ = 88121873857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663177 + ... + 784886.

It is an arithmetic number, because the mean of its divisors is an integer number (8814365568).

Almost surely, 2^88121873865 is an apocalyptic number.

It is an amenable number.

88121873865 is a deficient number, since it is larger than the sum of its proper divisors (52907975223).

88121873865 is a wasteful number, since it uses less digits than its factorization.

88121873865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452128.

The product of its digits is 5160960, while the sum is 57.

The spelling of 88121873865 in words is "eighty-eight billion, one hundred twenty-one million, eight hundred seventy-three thousand, eight hundred sixty-five".