7920396832 has 96 divisors (see below), whose sum is σ = 17126484480. Its totient is φ = 3589386240.

The previous prime is 7920396821. The next prime is 7920396853. The reversal of 7920396832 is 2386930297.

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, 3827094 + ... + 3829162.

It is an arithmetic number, because the mean of its divisors is an integer number (178400880).

Almost surely, 2^7920396832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7920396832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8563242240).

7920396832 is an abundant number, since it is smaller than the sum of its proper divisors (9206087648).

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

7920396832 is a wasteful number, since it uses less digits than its factorization.

7920396832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 7920396832 is about 88996.6113512194. The cubic root of 7920396832 is about 1993.3442779184.

The spelling of 7920396832 in words is "seven billion, nine hundred twenty million, three hundred ninety-six thousand, eight hundred thirty-two".