86789907 has 16 divisors (see below), whose sum is σ = 131715360. Its totient is φ = 56448000.

The previous prime is 86789897. The next prime is 86789909. The reversal of 86789907 is 70998768.

It is not a de Polignac number, because 86789907 - 2¹¹ = 86787859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86789909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38094 + ... + 40307.

It is an arithmetic number, because the mean of its divisors is an integer number (8232210).

Almost surely, 2^86789907 is an apocalyptic number.

86789907 is a deficient number, since it is larger than the sum of its proper divisors (44925453).

86789907 is a wasteful number, since it uses less digits than its factorization.

86789907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78451 (or 78445 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 86789907 is about 9316.1100787829. The cubic root of 86789907 is about 442.7477957125.

The spelling of 86789907 in words is "eighty-six million, seven hundred eighty-nine thousand, nine hundred seven".