7997734677 has 8 divisors (see below), whose sum is σ = 11290919616. Its totient is φ = 5018186432.

The previous prime is 7997734631. The next prime is 7997734729. The reversal of 7997734677 is 7764377997.

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 7997734677 - 2²⁰ = 7996686101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997734607) 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, 78409113 + ... + 78409214.

It is an arithmetic number, because the mean of its divisors is an integer number (1411364952).

Almost surely, 2^7997734677 is an apocalyptic number.

It is an amenable number.

7997734677 is a deficient number, since it is larger than the sum of its proper divisors (3293184939).

7997734677 is a wasteful number, since it uses less digits than its factorization.

7997734677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156818347.

The product of its digits is 98018424, while the sum is 66.

The square root of 7997734677 is about 89430.0546628481. The cubic root of 7997734677 is about 1999.8112052622.

The spelling of 7997734677 in words is "seven billion, nine hundred ninety-seven million, seven hundred thirty-four thousand, six hundred seventy-seven".