79782358770 has 24 divisors (see below), whose sum is σ = 207434133036. Its totient is φ = 21275295648.

The previous prime is 79782358763. The next prime is 79782358801. The reversal of 79782358770 is 7785328797.

It can be written as a sum of positive squares in 2 ways, for example, as 79596772641 + 185586129 = 282129^2 + 13623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79782358698 and 79782358707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443235237 + ... + 443235416.

Almost surely, 2^79782358770 is an apocalyptic number.

79782358770 is an abundant number, since it is smaller than the sum of its proper divisors (127651774266).

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

79782358770 is a wasteful number, since it uses less digits than its factorization.

79782358770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886470666 (or 886470663 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 63.

The spelling of 79782358770 in words is "seventy-nine billion, seven hundred eighty-two million, three hundred fifty-eight thousand, seven hundred seventy".