7976748927 has 16 divisors (see below), whose sum is σ = 12437722880. Its totient is φ = 4452138432.

The previous prime is 7976748919. The next prime is 7976748931. The reversal of 7976748927 is 7298476797.

It is a happy number.

It is not a de Polignac number, because 7976748927 - 2³ = 7976748919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976740927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4415902 + ... + 4417707.

It is an arithmetic number, because the mean of its divisors is an integer number (777357680).

Almost surely, 2^7976748927 is an apocalyptic number.

7976748927 is a deficient number, since it is larger than the sum of its proper divisors (4460973953).

7976748927 is a wasteful number, since it uses less digits than its factorization.

7976748927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833662.

The product of its digits is 74680704, while the sum is 66.

The square root of 7976748927 is about 89312.6470719573. The cubic root of 7976748927 is about 1998.0605304202.

The spelling of 7976748927 in words is "seven billion, nine hundred seventy-six million, seven hundred forty-eight thousand, nine hundred twenty-seven".