88809139 has 16 divisors (see below), whose sum is σ = 97117056. Its totient is φ = 80870400.

The previous prime is 88809137. The next prime is 88809163. The reversal of 88809139 is 93190888.

It is a cyclic number.

It is not a de Polignac number, because 88809139 - 2¹ = 88809137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88809137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170199 + ... + 170719.

It is an arithmetic number, because the mean of its divisors is an integer number (6069816).

Almost surely, 2^88809139 is an apocalyptic number.

88809139 is a deficient number, since it is larger than the sum of its proper divisors (8307917).

88809139 is a wasteful number, since it uses less digits than its factorization.

88809139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 88809139 is about 9423.8600902178. The cubic root of 88809139 is about 446.1551254445.

The spelling of 88809139 in words is "eighty-eight million, eight hundred nine thousand, one hundred thirty-nine".