426966838779 has 64 divisors (see below), whose sum is σ = 631350720000. Its totient is φ = 255039611904.

The previous prime is 426966838763. The next prime is 426966838787. The reversal of 426966838779 is 977838669624.

It is not a de Polignac number, because 426966838779 - 2⁴ = 426966838763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426966838779.

It is not an unprimeable number, because it can be changed into a prime (426966838759) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292642752 + ... + 292644210.

It is an arithmetic number, because the mean of its divisors is an integer number (9864855000).

Almost surely, 2^426966838779 is an apocalyptic number.

426966838779 is a deficient number, since it is larger than the sum of its proper divisors (204383881221).

426966838779 is a wasteful number, since it uses less digits than its factorization.

426966838779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052.

The product of its digits is 1316818944, while the sum is 75.

The spelling of 426966838779 in words is "four hundred twenty-six billion, nine hundred sixty-six million, eight hundred thirty-eight thousand, seven hundred seventy-nine".