86697387 has 24 divisors (see below), whose sum is σ = 143536640. Its totient is φ = 49397040.

The previous prime is 86697379. The next prime is 86697389. The reversal of 86697387 is 78379668.

It is not a de Polignac number, because 86697387 - 2³ = 86697379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86697389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22062 + ... + 25692.

Almost surely, 2^86697387 is an apocalyptic number.

86697387 is a deficient number, since it is larger than the sum of its proper divisors (56839253).

86697387 is a wasteful number, since it uses less digits than its factorization.

86697387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4020 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 86697387 is about 9311.1431628990. The cubic root of 86697387 is about 442.5904133933.

The spelling of 86697387 in words is "eighty-six million, six hundred ninety-seven thousand, three hundred eighty-seven".