7665788670 has 32 divisors (see below), whose sum is σ = 18450937728. Its totient is φ = 2038316448.

The previous prime is 7665788651. The next prime is 7665788671. The reversal of 7665788670 is 768875667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7665788671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357784 + ... + 378603.

It is an arithmetic number, because the mean of its divisors is an integer number (576591804).

Almost surely, 2^7665788670 is an apocalyptic number.

7665788670 is an abundant number, since it is smaller than the sum of its proper divisors (10785149058).

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

7665788670 is a wasteful number, since it uses less digits than its factorization.

7665788670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736744.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The square root of 7665788670 is about 87554.4897192600. The cubic root of 7665788670 is about 1971.7519582844.

The spelling of 7665788670 in words is "seven billion, six hundred sixty-five million, seven hundred eighty-eight thousand, six hundred seventy".