86420810465 has 16 divisors (see below), whose sum is σ = 113572920960. Its totient is φ = 62606929920.

The previous prime is 86420810459. The next prime is 86420810467. The reversal of 86420810465 is 56401802468.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-86420810465 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86420810467) 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, 3042845 + ... + 3071114.

It is an arithmetic number, because the mean of its divisors is an integer number (7098307560).

Almost surely, 2^86420810465 is an apocalyptic number.

It is an amenable number.

86420810465 is a deficient number, since it is larger than the sum of its proper divisors (27152110495).

86420810465 is a wasteful number, since it uses less digits than its factorization.

86420810465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114232.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 86420810465 in words is "eighty-six billion, four hundred twenty million, eight hundred ten thousand, four hundred sixty-five".