79380822646 has 16 divisors (see below), whose sum is σ = 125374253760. Its totient is φ = 37590608520.

The previous prime is 79380822641. The next prime is 79380822667. The reversal of 79380822646 is 64622808397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79380822641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166536 + ... + 431851.

It is an arithmetic number, because the mean of its divisors is an integer number (7835890860).

Almost surely, 2^79380822646 is an apocalyptic number.

79380822646 is a deficient number, since it is larger than the sum of its proper divisors (45993431114).

79380822646 is a wasteful number, since it uses less digits than its factorization.

79380822646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601899.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 79380822646 in words is "seventy-nine billion, three hundred eighty million, eight hundred twenty-two thousand, six hundred forty-six".