86692870 has 24 divisors (see below), whose sum is σ = 171525312. Its totient is φ = 31524240.

The previous prime is 86692849. The next prime is 86692871. The reversal of 86692870 is 7829668.

It is a self number, because there is not a number n which added to its sum of digits gives 86692870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86692871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34614 + ... + 37033.

It is an arithmetic number, because the mean of its divisors is an integer number (7146888).

Almost surely, 2^86692870 is an apocalyptic number.

86692870 is a deficient number, since it is larger than the sum of its proper divisors (84832442).

86692870 is a wasteful number, since it uses less digits than its factorization.

86692870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71676 (or 71665 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 86692870 is about 9310.9006009086. The cubic root of 86692870 is about 442.5827268271.

The spelling of 86692870 in words is "eighty-six million, six hundred ninety-two thousand, eight hundred seventy".