86516991201 has 4 divisors (see below), whose sum is σ = 115355988272. Its totient is φ = 57677994132.

The previous prime is 86516991163. The next prime is 86516991203. The reversal of 86516991201 is 10219961568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86516991201 - 2⁹ = 86516990689 is a prime.

It is a super-2 number, since 2×86516991201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86516991203) 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 3 ways as a sum of consecutive naturals, for example, 14419498531 + ... + 14419498536.

It is an arithmetic number, because the mean of its divisors is an integer number (28838997068).

Almost surely, 2^86516991201 is an apocalyptic number.

It is an amenable number.

86516991201 is a deficient number, since it is larger than the sum of its proper divisors (28838997071).

86516991201 is a wasteful number, since it uses less digits than its factorization.

86516991201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28838997070.

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 86516991201 in words is "eighty-six billion, five hundred sixteen million, nine hundred ninety-one thousand, two hundred one".