42780074892 has 24 divisors (see below), whose sum is σ = 99833398896. Its totient is φ = 14258135808.

The previous prime is 42780074863. The next prime is 42780074893. The reversal of 42780074892 is 29847008724.

42780074892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42780074893) 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, 140233 + ... + 324384.

It is an arithmetic number, because the mean of its divisors is an integer number (4159724954).

Almost surely, 2^42780074892 is an apocalyptic number.

It is an amenable number.

42780074892 is an abundant number, since it is smaller than the sum of its proper divisors (57053324004).

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

42780074892 is a wasteful number, since it uses less digits than its factorization.

42780074892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472297 (or 472295 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 42780074892 in words is "forty-two billion, seven hundred eighty million, seventy-four thousand, eight hundred ninety-two".