7790749429785 has 64 divisors (see below), whose sum is σ = 14758578438144. Its totient is φ = 3434155833600.

The previous prime is 7790749429759. The next prime is 7790749429819. The reversal of 7790749429785 is 5879249470977.

It is not a de Polignac number, because 7790749429785 - 2⁷ = 7790749429657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7790749429785.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3418711 + ... + 5221980.

It is an arithmetic number, because the mean of its divisors is an integer number (230602788096).

Almost surely, 2^{7790749429785} is an apocalyptic number.

It is an amenable number.

7790749429785 is a deficient number, since it is larger than the sum of its proper divisors (6967829008359).

7790749429785 is a wasteful number, since it uses less digits than its factorization.

7790749429785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641014.

The product of its (nonzero) digits is 2240421120, while the sum is 78.

The spelling of 7790749429785 in words is "seven trillion, seven hundred ninety billion, seven hundred forty-nine million, four hundred twenty-nine thousand, seven hundred eighty-five".