7697197656 has 48 divisors (see below), whose sum is σ = 20967111360. Its totient is φ = 2550897600.

The previous prime is 7697197637. The next prime is 7697197681. The reversal of 7697197656 is 6567917967.

It is a junction number, because it is equal to n+sod(n) for n = 7697197593 and 7697197602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296520 + ... + 321431.

It is an arithmetic number, because the mean of its divisors is an integer number (436814820).

Almost surely, 2^7697197656 is an apocalyptic number.

It is an amenable number.

7697197656 is an abundant number, since it is smaller than the sum of its proper divisors (13269913704).

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

7697197656 is a wasteful number, since it uses less digits than its factorization.

7697197656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618136 (or 618129 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The square root of 7697197656 is about 87733.6745839361. The cubic root of 7697197656 is about 1974.4412375194.

The spelling of 7697197656 in words is "seven billion, six hundred ninety-seven million, one hundred ninety-seven thousand, six hundred fifty-six".