7976447677 has 8 divisors (see below), whose sum is σ = 8709966720. Its totient is φ = 7244326560.

The previous prime is 7976447639. The next prime is 7976447681. The reversal of 7976447677 is 7767446797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7976447677 - 2²⁷ = 7842229949 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 (7976447077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337528 + ... + 360385.

It is an arithmetic number, because the mean of its divisors is an integer number (1088745840).

Almost surely, 2^7976447677 is an apocalyptic number.

It is an amenable number.

7976447677 is a deficient number, since it is larger than the sum of its proper divisors (733519043).

7976447677 is a wasteful number, since it uses less digits than its factorization.

7976447677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698963.

The product of its digits is 87127488, while the sum is 64.

The square root of 7976447677 is about 89310.9605647594. The cubic root of 7976447677 is about 1998.0353771772.

The spelling of 7976447677 in words is "seven billion, nine hundred seventy-six million, four hundred forty-seven thousand, six hundred seventy-seven".