86157073 has 8 divisors (see below), whose sum is σ = 87674400. Its totient is φ = 84652128.

The previous prime is 86157067. The next prime is 86157089. The reversal of 86157073 is 37075168.

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-86157073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86157013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11538 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (10959300).

Almost surely, 2^86157073 is an apocalyptic number.

It is an amenable number.

86157073 is a deficient number, since it is larger than the sum of its proper divisors (1517327).

86157073 is a wasteful number, since it uses less digits than its factorization.

86157073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 86157073 is about 9282.0834406937. The cubic root of 86157073 is about 441.6690618754.

The spelling of 86157073 in words is "eighty-six million, one hundred fifty-seven thousand, seventy-three".