7770970368 has 324 divisors, whose sum is σ = 27603657900. Its totient is φ = 2089156608.

The previous prime is 7770970343. The next prime is 7770970381. The reversal of 7770970368 is 8630790777.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3990196224 + 3780774144 = 63168^2 + 61488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1917208 + ... + 1921256.

It is an arithmetic number, because the mean of its divisors is an integer number (85196475).

Almost surely, 2^7770970368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7770970368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13801828950).

7770970368 is an abundant number, since it is smaller than the sum of its proper divisors (19832687532).

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

7770970368 is a wasteful number, since it uses less digits than its factorization.

7770970368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The square root of 7770970368 is about 88153.1075345617. The cubic root of 7770970368 is about 1980.7291101162.

The spelling of 7770970368 in words is "seven billion, seven hundred seventy million, nine hundred seventy thousand, three hundred sixty-eight".