86899868 has 24 divisors (see below), whose sum is σ = 168624624. Its totient is φ = 38851200.

The previous prime is 86899859. The next prime is 86899889.

It is a happy number.

86899868 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 86899868.

It is a congruent number.

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, 13505 + ... + 18872.

It is an arithmetic number, because the mean of its divisors is an integer number (7026026).

Almost surely, 2^86899868 is an apocalyptic number.

It is an amenable number.

86899868 is a deficient number, since it is larger than the sum of its proper divisors (81724756).

86899868 is a wasteful number, since it uses less digits than its factorization.

86899868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32453 (or 32451 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 62.

The square root of 86899868 is about 9322.0098691216. The cubic root of 86899868 is about 442.9347008706.

The spelling of 86899868 in words is "eighty-six million, eight hundred ninety-nine thousand, eight hundred sixty-eight".