7976556797 has 12 divisors (see below), whose sum is σ = 8852756640. Its totient is φ = 7181001960.

The previous prime is 7976556781. The next prime is 7976556811.

7976556797 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7976556797 - 2⁴ = 7976556781 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 (7976556727) 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, 307547 + ... + 332472.

It is an arithmetic number, because the mean of its divisors is an integer number (737729720).

Almost surely, 2^7976556797 is an apocalyptic number.

It is an amenable number.

7976556797 is a deficient number, since it is larger than the sum of its proper divisors (876199843).

7976556797 is a wasteful number, since it uses less digits than its factorization.

7976556797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640144 (or 640133 counting only the distinct ones).

The product of its digits is 175032900, while the sum is 68.

The square root of 7976556797 is about 89311.5714619332. The cubic root of 7976556797 is about 1998.0444883603.

The spelling of 7976556797 in words is "seven billion, nine hundred seventy-six million, five hundred fifty-six thousand, seven hundred ninety-seven".