79285779426 has 64 divisors (see below), whose sum is σ = 198501684480. Its totient is φ = 20585349120.

The previous prime is 79285779413. The next prime is 79285779427. The reversal of 79285779426 is 62497758297.

It is not an unprimeable number, because it can be changed into a prime (79285779427) 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, 1893855 + ... + 1935266.

It is an arithmetic number, because the mean of its divisors is an integer number (3101588820).

Almost surely, 2^79285779426 is an apocalyptic number.

79285779426 is an abundant number, since it is smaller than the sum of its proper divisors (119215905054).

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

79285779426 is a wasteful number, since it uses less digits than its factorization.

79285779426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829179.

The product of its digits is 106686720, while the sum is 66.

The spelling of 79285779426 in words is "seventy-nine billion, two hundred eighty-five million, seven hundred seventy-nine thousand, four hundred twenty-six".