7706997660 has 96 divisors (see below), whose sum is σ = 22540976640. Its totient is φ = 1965019392.

The previous prime is 7706997659. The next prime is 7706997671. The reversal of 7706997660 is 667996077.

It is a super-3 number, since 3×7706997660³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7706997660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157719 + ... + 200721.

It is an arithmetic number, because the mean of its divisors is an integer number (234801840).

Almost surely, 2^7706997660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7706997660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11270488320).

7706997660 is an abundant number, since it is smaller than the sum of its proper divisors (14833978980).

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

7706997660 is a wasteful number, since it uses less digits than its factorization.

7706997660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43147 (or 43145 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 57.

The square root of 7706997660 is about 87789.5076874224. The cubic root of 7706997660 is about 1975.2788291906.

The spelling of 7706997660 in words is "seven billion, seven hundred six million, nine hundred ninety-seven thousand, six hundred sixty".