7689808692 has 18 divisors (see below), whose sum is σ = 19438127618. Its totient is φ = 2563269552.

The previous prime is 7689808673. The next prime is 7689808699. The reversal of 7689808692 is 2968089867.

It can be written as a sum of positive squares in only one way, i.e., 5491699236 + 2198109456 = 74106^2 + 46884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7689808699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106802863 + ... + 106802934.

Almost surely, 2^7689808692 is an apocalyptic number.

It is an amenable number.

7689808692 is an abundant number, since it is smaller than the sum of its proper divisors (11748318926).

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

7689808692 is a wasteful number, since it uses less digits than its factorization.

7689808692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213605807 (or 213605802 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 7689808692 is about 87691.5542797595. The cubic root of 7689808692 is about 1973.8092436149.

The spelling of 7689808692 in words is "seven billion, six hundred eighty-nine million, eight hundred eight thousand, six hundred ninety-two".