7980926720 has 72 divisors (see below), whose sum is σ = 20587380576. Its totient is φ = 2946797568.

The previous prime is 7980926717. The next prime is 7980926729. The reversal of 7980926720 is 276290897.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980926729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223172 + ... + 256451.

Almost surely, 2^7980926720 is an apocalyptic number.

It is an amenable number.

7980926720 is an abundant number, since it is smaller than the sum of its proper divisors (12606453856).

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

7980926720 is a wasteful number, since it uses less digits than its factorization.

7980926720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479657 (or 479643 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 7980926720 is about 89336.0325960360. The cubic root of 7980926720 is about 1998.4092951645.

The spelling of 7980926720 in words is "seven billion, nine hundred eighty million, nine hundred twenty-six thousand, seven hundred twenty".