88121866 has 16 divisors (see below), whose sum is σ = 152222400. Its totient is φ = 37477440.

The previous prime is 88121857. The next prime is 88121909. The reversal of 88121866 is 66812188.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22191 + ... + 25858.

It is an arithmetic number, because the mean of its divisors is an integer number (9513900).

Almost surely, 2^88121866 is an apocalyptic number.

88121866 is a deficient number, since it is larger than the sum of its proper divisors (64100534).

88121866 is a wasteful number, since it uses less digits than its factorization.

88121866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48189.

The product of its digits is 36864, while the sum is 40.

The square root of 88121866 is about 9387.3247520260. The cubic root of 88121866 is about 445.0012473138.

The spelling of 88121866 in words is "eighty-eight million, one hundred twenty-one thousand, eight hundred sixty-six".