86713870 has 16 divisors (see below), whose sum is σ = 157545648. Its totient is φ = 34360960.

The previous prime is 86713867. The next prime is 86713871. The reversal of 86713870 is 7831768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86713871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39451 + ... + 41590.

It is an arithmetic number, because the mean of its divisors is an integer number (9846603).

Almost surely, 2^86713870 is an apocalyptic number.

86713870 is a deficient number, since it is larger than the sum of its proper divisors (70831778).

86713870 is a wasteful number, since it uses less digits than its factorization.

86713870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81155.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 86713870 is about 9312.0282430843. The cubic root of 86713870 is about 442.6184602037.

The spelling of 86713870 in words is "eighty-six million, seven hundred thirteen thousand, eight hundred seventy".