7891962892 has 48 divisors (see below), whose sum is σ = 15876806400. Its totient is φ = 3394733760.

The previous prime is 7891962889. The next prime is 7891962893. The reversal of 7891962892 is 2982691987.

It is a self number, because there is not a number n which added to its sum of digits gives 7891962892.

It is not an unprimeable number, because it can be changed into a prime (7891962893) 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, 842209 + ... + 851527.

It is an arithmetic number, because the mean of its divisors is an integer number (330766800).

Almost surely, 2^7891962892 is an apocalyptic number.

It is an amenable number.

7891962892 is an abundant number, since it is smaller than the sum of its proper divisors (7984843508).

7891962892 is a wasteful number, since it uses less digits than its factorization.

7891962892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366 (or 10364 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 61.

The square root of 7891962892 is about 88836.7204032206. The cubic root of 7891962892 is about 1990.9560730028.

The spelling of 7891962892 in words is "seven billion, eight hundred ninety-one million, nine hundred sixty-two thousand, eight hundred ninety-two".