88839865 has 4 divisors (see below), whose sum is σ = 106607844. Its totient is φ = 71071888.

The previous prime is 88839857. The next prime is 88839887. The reversal of 88839865 is 56893888.

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 18766224 + 70073641 = 4332^2 + 8371^2 .

It is a cyclic number.

It is not a de Polignac number, because 88839865 - 2³ = 88839857 is a prime.

It is a super-2 number, since 2×88839865² = 15785043226436450, which contains 22 as substring.

It is a Duffinian 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, 8883982 + ... + 8883991.

It is an arithmetic number, because the mean of its divisors is an integer number (26651961).

Almost surely, 2^88839865 is an apocalyptic number.

It is an amenable number.

88839865 is a deficient number, since it is larger than the sum of its proper divisors (17767979).

88839865 is a wasteful number, since it uses less digits than its factorization.

88839865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767978.

The product of its digits is 3317760, while the sum is 55.

The square root of 88839865 is about 9425.4901729300. The cubic root of 88839865 is about 446.2065727839.

The spelling of 88839865 in words is "eighty-eight million, eight hundred thirty-nine thousand, eight hundred sixty-five".