42780635674 has 16 divisors (see below), whose sum is σ = 76526851968. Its totient is φ = 17537403312.

The previous prime is 42780635669. The next prime is 42780635683. The reversal of 42780635674 is 47653608724.

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, 66429237 + ... + 66429880.

It is an arithmetic number, because the mean of its divisors is an integer number (4782928248).

Almost surely, 2^42780635674 is an apocalyptic number.

42780635674 is a deficient number, since it is larger than the sum of its proper divisors (33746216294).

42780635674 is a wasteful number, since it uses less digits than its factorization.

42780635674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132859149.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 42780635674 in words is "forty-two billion, seven hundred eighty million, six hundred thirty-five thousand, six hundred seventy-four".