86819307651 has 16 divisors (see below), whose sum is σ = 130801219200. Its totient is φ = 56898528264.

The previous prime is 86819307629. The next prime is 86819307667. The reversal of 86819307651 is 15670391868.

It is not a de Polignac number, because 86819307651 - 2¹³ = 86819299459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86819307691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27248661 + ... + 27251846.

It is an arithmetic number, because the mean of its divisors is an integer number (8175076200).

Almost surely, 2^86819307651 is an apocalyptic number.

86819307651 is a deficient number, since it is larger than the sum of its proper divisors (43981911549).

86819307651 is a wasteful number, since it uses less digits than its factorization.

86819307651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54500575 (or 54500569 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 86819307651 in words is "eighty-six billion, eight hundred nineteen million, three hundred seven thousand, six hundred fifty-one".