86648579018451 has 16 divisors (see below), whose sum is σ = 132794757117600. Its totient is φ = 55773797988384.

The previous prime is 86648579018447. The next prime is 86648579018459. The reversal of 86648579018451 is 15481097584668.

It is a happy number.

86648579018451 is a `hidden beast` number, since 8 + 6 + 6 + 4 + 8 + 579 + 0 + 1 + 8 + 45 + 1 = 666.

It is not a de Polignac number, because 86648579018451 - 2² = 86648579018447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86648579018451.

It is not an unprimeable number, because it can be changed into a prime (86648579018459) 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, 55331148016 + ... + 55331149581.

It is an arithmetic number, because the mean of its divisors is an integer number (8299672319850).

Almost surely, 2^{86648579018451} is an apocalyptic number.

86648579018451 is a deficient number, since it is larger than the sum of its proper divisors (46146178099149).

86648579018451 is a wasteful number, since it uses less digits than its factorization.

86648579018451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110662297635 (or 110662297629 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 72.

The spelling of 86648579018451 in words is "eighty-six trillion, six hundred forty-eight billion, five hundred seventy-nine million, eighteen thousand, four hundred fifty-one".