86693867 has 4 divisors (see below), whose sum is σ = 93362640. Its totient is φ = 80025096.

The previous prime is 86693813. The next prime is 86693899. The reversal of 86693867 is 76839668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86693867 - 2⁸ = 86693611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86693807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334367 + ... + 3334392.

It is an arithmetic number, because the mean of its divisors is an integer number (23340660).

Almost surely, 2^86693867 is an apocalyptic number.

86693867 is a deficient number, since it is larger than the sum of its proper divisors (6668773).

86693867 is a wasteful number, since it uses less digits than its factorization.

86693867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668772.

The product of its digits is 2612736, while the sum is 53.

The square root of 86693867 is about 9310.9541401513. The cubic root of 86693867 is about 442.5844234422.

The spelling of 86693867 in words is "eighty-six million, six hundred ninety-three thousand, eight hundred sixty-seven".