86691059 has 8 divisors (see below), whose sum is σ = 106696800. Its totient is φ = 68590656.

The previous prime is 86691049. The next prime is 86691067. The reversal of 86691059 is 95019668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86691059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86691019) 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, 476234 + ... + 476415.

It is an arithmetic number, because the mean of its divisors is an integer number (13337100).

Almost surely, 2^86691059 is an apocalyptic number.

86691059 is a deficient number, since it is larger than the sum of its proper divisors (20005741).

86691059 is a wasteful number, since it uses less digits than its factorization.

86691059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952669.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 86691059 is about 9310.8033487986. The cubic root of 86691059 is about 442.5796449785.

The spelling of 86691059 in words is "eighty-six million, six hundred ninety-one thousand, fifty-nine".