7976063838 has 32 divisors (see below), whose sum is σ = 16016832000. Its totient is φ = 2647927296.

The previous prime is 7976063833. The next prime is 7976063867. The reversal of 7976063838 is 8383606797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976063833) by changing a digit.

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, 1665195 + ... + 1669977.

It is an arithmetic number, because the mean of its divisors is an integer number (500526000).

Almost surely, 2^7976063838 is an apocalyptic number.

7976063838 is an abundant number, since it is smaller than the sum of its proper divisors (8040768162).

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

7976063838 is a wasteful number, since it uses less digits than its factorization.

7976063838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The square root of 7976063838 is about 89308.8116481235. The cubic root of 7976063838 is about 1998.0033271454.

The spelling of 7976063838 in words is "seven billion, nine hundred seventy-six million, sixty-three thousand, eight hundred thirty-eight".