7790345013 has 32 divisors (see below), whose sum is σ = 12012613632. Its totient is φ = 4438265600.

The previous prime is 7790344967. The next prime is 7790345053. The reversal of 7790345013 is 3105430977.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7790345013 - 2⁶ = 7790344949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7790345053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476098 + ... + 492188.

It is an arithmetic number, because the mean of its divisors is an integer number (375394176).

Almost surely, 2^7790345013 is an apocalyptic number.

It is an amenable number.

7790345013 is a deficient number, since it is larger than the sum of its proper divisors (4222268619).

7790345013 is a wasteful number, since it uses less digits than its factorization.

7790345013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16985.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 7790345013 is about 88262.9311375959. The cubic root of 7790345013 is about 1982.3738671450.

The spelling of 7790345013 in words is "seven billion, seven hundred ninety million, three hundred forty-five thousand, thirteen".