88656861 has 4 divisors (see below), whose sum is σ = 118209152. Its totient is φ = 59104572.

The previous prime is 88656859. The next prime is 88656871. The reversal of 88656861 is 16865688.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88656861 - 2¹ = 88656859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88656861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88656871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14776141 + ... + 14776146.

It is an arithmetic number, because the mean of its divisors is an integer number (29552288).

Almost surely, 2^88656861 is an apocalyptic number.

It is an amenable number.

88656861 is a deficient number, since it is larger than the sum of its proper divisors (29552291).

88656861 is a wasteful number, since it uses less digits than its factorization.

88656861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29552290.

The product of its digits is 552960, while the sum is 48.

The square root of 88656861 is about 9415.7772382316. Note that the first 3 decimals coincide. The cubic root of 88656861 is about 445.8999772348.

The spelling of 88656861 in words is "eighty-eight million, six hundred fifty-six thousand, eight hundred sixty-one".