426746880078 has 16 divisors (see below), whose sum is σ = 869597416656. Its totient is φ = 139565017280.

The previous prime is 426746880037. The next prime is 426746880103. The reversal of 426746880078 is 870088647624.

It is a super-2 number, since 2×426746880078² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670985343 + ... + 670985978.

It is an arithmetic number, because the mean of its divisors is an integer number (54349838541).

Almost surely, 2^426746880078 is an apocalyptic number.

426746880078 is an abundant number, since it is smaller than the sum of its proper divisors (442850536578).

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

426746880078 is a wasteful number, since it uses less digits than its factorization.

426746880078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341971379.

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 426746880078 in words is "four hundred twenty-six billion, seven hundred forty-six million, eight hundred eighty thousand, seventy-eight".