7879971484 has 48 divisors (see below), whose sum is σ = 17199705600. Its totient is φ = 3068861760.

The previous prime is 7879971433. The next prime is 7879971487. The reversal of 7879971484 is 4841799787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7879971487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190817 + ... + 1197415.

It is an arithmetic number, because the mean of its divisors is an integer number (358327200).

Almost surely, 2^7879971484 is an apocalyptic number.

It is an amenable number.

7879971484 is an abundant number, since it is smaller than the sum of its proper divisors (9319734116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7879971484 is a wasteful number, since it uses less digits than its factorization.

7879971484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498 (or 10496 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 64.

The square root of 7879971484 is about 88769.2034660670. The cubic root of 7879971484 is about 1989.9471787197.

The spelling of 7879971484 in words is "seven billion, eight hundred seventy-nine million, nine hundred seventy-one thousand, four hundred eighty-four".