42878560773434 has 16 divisors (see below), whose sum is σ = 65372535889920. Its totient is φ = 21087718744560.

The previous prime is 42878560773431. The next prime is 42878560773479. The reversal of 42878560773434 is 43437706587824.

It is not an unprimeable number, because it can be changed into a prime (42878560773431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30405767 + ... + 31784709.

It is an arithmetic number, because the mean of its divisors is an integer number (4085783493120).

Almost surely, 2^{42878560773434} is an apocalyptic number.

42878560773434 is a deficient number, since it is larger than the sum of its proper divisors (22493975116486).

42878560773434 is a wasteful number, since it uses less digits than its factorization.

42878560773434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633885.

The product of its (nonzero) digits is 758661120, while the sum is 68.

The spelling of 42878560773434 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixty million, seven hundred seventy-three thousand, four hundred thirty-four".