88161415885 has 4 divisors (see below), whose sum is σ = 105793699068. Its totient is φ = 70529132704.

The previous prime is 88161415841. The next prime is 88161415891. The reversal of 88161415885 is 58851416188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59636570436 + 28524845449 = 244206^2 + 168893^2 .

It is a cyclic number.

It is not a de Polignac number, because 88161415885 - 2⁷ = 88161415757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8816141584 + ... + 8816141593.

It is an arithmetic number, because the mean of its divisors is an integer number (26448424767).

Almost surely, 2^88161415885 is an apocalyptic number.

It is an amenable number.

88161415885 is a deficient number, since it is larger than the sum of its proper divisors (17632283183).

88161415885 is a wasteful number, since it uses less digits than its factorization.

88161415885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632283182.

The product of its digits is 2457600, while the sum is 55.

The spelling of 88161415885 in words is "eighty-eight billion, one hundred sixty-one million, four hundred fifteen thousand, eight hundred eighty-five".