7199907980 has 12 divisors (see below), whose sum is σ = 15119806800. Its totient is φ = 2879963184.

The previous prime is 7199907977. The next prime is 7199907989. The reversal of 7199907980 is 897099917.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7199907989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179997680 + ... + 179997719.

It is an arithmetic number, because the mean of its divisors is an integer number (1259983900).

Almost surely, 2^7199907980 is an apocalyptic number.

It is an amenable number.

7199907980 is an abundant number, since it is smaller than the sum of its proper divisors (7919898820).

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

7199907980 is a wasteful number, since it uses less digits than its factorization.

7199907980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359995408 (or 359995406 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 59.

The square root of 7199907980 is about 84852.2715076031. The cubic root of 7199907980 is about 1930.9705428491.

The spelling of 7199907980 in words is "seven billion, one hundred ninety-nine million, nine hundred seven thousand, nine hundred eighty".