7768354980 has 48 divisors (see below), whose sum is σ = 22339275840. Its totient is φ = 2015572608.

The previous prime is 7768354973. The next prime is 7768354987. The reversal of 7768354980 is 894538677.

It is an interprime number because it is at equal distance from previous prime (7768354973) and next prime (7768354987).

It is a self number, because there is not a number n which added to its sum of digits gives 7768354980.

It is not an unprimeable number, because it can be changed into a prime (7768354987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747410 + ... + 1751849.

It is an arithmetic number, because the mean of its divisors is an integer number (465401580).

Almost surely, 2^7768354980 is an apocalyptic number.

It is an amenable number.

7768354980 is an abundant number, since it is smaller than the sum of its proper divisors (14570920860).

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

7768354980 is a wasteful number, since it uses less digits than its factorization.

7768354980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499308 (or 3499306 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The square root of 7768354980 is about 88138.2719367699. The cubic root of 7768354980 is about 1980.5068746177.

The spelling of 7768354980 in words is "seven billion, seven hundred sixty-eight million, three hundred fifty-four thousand, nine hundred eighty".