7928774307 has 12 divisors (see below), whose sum is σ = 11453463840. Its totient is φ = 5285485008.

The previous prime is 7928774297. The next prime is 7928774333. The reversal of 7928774307 is 7034778297.

It is not a de Polignac number, because 7928774307 - 2²⁰ = 7927725731 is a prime.

It is a super-2 number, since 2×7928774307² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7928774387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196758 + ... + 233604.

It is an arithmetic number, because the mean of its divisors is an integer number (954455320).

Almost surely, 2^7928774307 is an apocalyptic number.

7928774307 is a deficient number, since it is larger than the sum of its proper divisors (3524689533).

7928774307 is a wasteful number, since it uses less digits than its factorization.

7928774307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60762 (or 60759 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The square root of 7928774307 is about 89043.6651705218. The cubic root of 7928774307 is about 1994.0468230071.

The spelling of 7928774307 in words is "seven billion, nine hundred twenty-eight million, seven hundred seventy-four thousand, three hundred seven".