7934556680 has 32 divisors (see below), whose sum is σ = 17887872600. Its totient is φ = 3167579136.

The previous prime is 7934556677. The next prime is 7934556689. The reversal of 7934556680 is 866554397.

It can be written as a sum of positive squares in 4 ways, for example, as 6628890724 + 1305665956 = 81418^2 + 36134^2 .

It is not an unprimeable number, because it can be changed into a prime (7934556689) 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, 174497 + ... + 215216.

Almost surely, 2^7934556680 is an apocalyptic number.

It is an amenable number.

7934556680 is an abundant number, since it is smaller than the sum of its proper divisors (9953315920).

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

7934556680 is a wasteful number, since it uses less digits than its factorization.

7934556680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390233 (or 390229 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 7934556680 is about 89076.1285642792. The cubic root of 7934556680 is about 1994.5314511146.

The spelling of 7934556680 in words is "seven billion, nine hundred thirty-four million, five hundred fifty-six thousand, six hundred eighty".