7740398568 has 64 divisors (see below), whose sum is σ = 22532722560. Its totient is φ = 2169812736.

The previous prime is 7740398551. The next prime is 7740398593. The reversal of 7740398568 is 8658930477.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425755 + ... + 443562.

It is an arithmetic number, because the mean of its divisors is an integer number (352073790).

Almost surely, 2^7740398568 is an apocalyptic number.

It is an amenable number.

7740398568 is an abundant number, since it is smaller than the sum of its proper divisors (14792323992).

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

7740398568 is a wasteful number, since it uses less digits than its factorization.

7740398568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869386 (or 869382 counting only the distinct ones).

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

The square root of 7740398568 is about 87979.5349385299. The cubic root of 7740398568 is about 1978.1282321259.

The spelling of 7740398568 in words is "seven billion, seven hundred forty million, three hundred ninety-eight thousand, five hundred sixty-eight".