864777552465 has 16 divisors (see below), whose sum is σ = 1384008579648. Its totient is φ = 461093196096.

The previous prime is 864777552433. The next prime is 864777552479. The reversal of 864777552465 is 564255777468.

It is not a de Polignac number, because 864777552465 - 2⁵ = 864777552433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 864777552396 and 864777552405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7534807 + ... + 7648716.

It is an arithmetic number, because the mean of its divisors is an integer number (86500536228).

Almost surely, 2^864777552465 is an apocalyptic number.

It is an amenable number.

864777552465 is a deficient number, since it is larger than the sum of its proper divisors (519231027183).

864777552465 is a wasteful number, since it uses less digits than its factorization.

864777552465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15187328.

The product of its digits is 395136000, while the sum is 66.

The spelling of 864777552465 in words is "eight hundred sixty-four billion, seven hundred seventy-seven million, five hundred fifty-two thousand, four hundred sixty-five".