7664765697 has 20 divisors (see below), whose sum is σ = 11643907440. Its totient is φ = 5023233144.

The previous prime is 7664765681. The next prime is 7664765701. The reversal of 7664765697 is 7965674667.

7664765697 is a `hidden beast` number, since 7 + 6 + 64 + 7 + 6 + 569 + 7 = 666.

It is not a de Polignac number, because 7664765697 - 2⁴ = 7664765681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7664765657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 797143 + ... + 806700.

It is an arithmetic number, because the mean of its divisors is an integer number (582195372).

Almost surely, 2^7664765697 is an apocalyptic number.

It is an amenable number.

7664765697 is a deficient number, since it is larger than the sum of its proper divisors (3979141743).

7664765697 is a wasteful number, since it uses less digits than its factorization.

7664765697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603914 (or 1603905 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 63.

The square root of 7664765697 is about 87548.6476023473. The cubic root of 7664765697 is about 1971.6642465550.

The spelling of 7664765697 in words is "seven billion, six hundred sixty-four million, seven hundred sixty-five thousand, six hundred ninety-seven".