7938097920 has 108 divisors (see below), whose sum is σ = 27465031776. Its totient is φ = 2116823040.

The previous prime is 7938097901. The next prime is 7938097927. The reversal of 7938097920 is 297908397.

It is not an unprimeable number, because it can be changed into a prime (7938097927) 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 11 ways as a sum of consecutive naturals, for example, 333016 + ... + 356055.

Almost surely, 2^7938097920 is an apocalyptic number.

It is an amenable number.

7938097920 is an abundant number, since it is smaller than the sum of its proper divisors (19526933856).

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

7938097920 is a wasteful number, since it uses less digits than its factorization.

7938097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689098 (or 689081 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 7938097920 is about 89096.0039507946. The cubic root of 7938097920 is about 1994.8281307457.

The spelling of 7938097920 in words is "seven billion, nine hundred thirty-eight million, ninety-seven thousand, nine hundred twenty".