7882116465 has 32 divisors (see below), whose sum is σ = 13280814720.
Its totient is φ = 3980841984.
The previous prime is 7882116461. The next prime is 7882116467. The reversal of 7882116465 is 5646112887.
It is not a de Polignac number, because 7882116465 - 22 = 7882116461 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7882116461) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912547 + ... + 921143.
It is an arithmetic number, because the mean of its divisors is an integer number (415025460).
Almost surely, 27882116465 is an apocalyptic number.
It is an amenable number.
7882116465 is a deficient number, since it is larger than the sum of its proper divisors (5398698255).
7882116465 is a wasteful number, since it uses less digits than its factorization.
7882116465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11841.
The product of its digits is 645120, while the sum is 48.
The square root of 7882116465 is about 88781.2844297716.
The cubic root of 7882116465 is about 1990.1277213211.
The spelling of 7882116465 in words is "seven billion, eight hundred eighty-two million, one hundred sixteen thousand, four hundred sixty-five".