8690690079 has 48 divisors (see below), whose sum is σ = 13322015200. Its totient is φ = 5444195328.

The previous prime is 8690690059. The next prime is 8690690081. The reversal of 8690690079 is 9700960968.

It is a de Polignac number, because none of the positive numbers 2^k-8690690079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8690690059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21248427 + ... + 21248835.

Almost surely, 2^8690690079 is an apocalyptic number.

8690690079 is a deficient number, since it is larger than the sum of its proper divisors (4631325121).

8690690079 is a wasteful number, since it uses less digits than its factorization.

8690690079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 8690690079 is about 93223.8707574407. The cubic root of 8690690079 is about 2055.9762218448.

The spelling of 8690690079 in words is "eight billion, six hundred ninety million, six hundred ninety thousand, seventy-nine".