88639161 has 64 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 48522240.

The previous prime is 88639151. The next prime is 88639183. The reversal of 88639161 is 16193688.

It is not a de Polignac number, because 88639161 - 2⁵ = 88639129 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (88639141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1453071 + ... + 1453131.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^88639161 is an apocalyptic number.

It is an amenable number.

88639161 is a deficient number, since it is larger than the sum of its proper divisors (53851719).

88639161 is a wasteful number, since it uses less digits than its factorization.

88639161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its digits is 62208, while the sum is 42.

The square root of 88639161 is about 9414.8372795285. The cubic root of 88639161 is about 445.8703011902.

The spelling of 88639161 in words is "eighty-eight million, six hundred thirty-nine thousand, one hundred sixty-one".