7932478824 has 64 divisors (see below), whose sum is σ = 22050374400. Its totient is φ = 2642274432.

The previous prime is 7932478823. The next prime is 7932478831. The reversal of 7932478824 is 4288742397.

It is a happy number.

7932478824 is a `hidden beast` number, since 7 + 93 + 2 + 478 + 82 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7932478823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308844 + ... + 333540.

It is an arithmetic number, because the mean of its divisors is an integer number (344537100).

Almost surely, 2^7932478824 is an apocalyptic number.

It is an amenable number.

7932478824 is an abundant number, since it is smaller than the sum of its proper divisors (14117895576).

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

7932478824 is a wasteful number, since it uses less digits than its factorization.

7932478824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26199 (or 26189 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 7932478824 is about 89064.4644288619. The cubic root of 7932478824 is about 1994.3573304452.

The spelling of 7932478824 in words is "seven billion, nine hundred thirty-two million, four hundred seventy-eight thousand, eight hundred twenty-four".