42178092879 has 16 divisors (see below), whose sum is σ = 64125970272. Its totient is φ = 24428940288.

The previous prime is 42178092851. The next prime is 42178092899. The reversal of 42178092879 is 97829087124.

42178092879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42178092879 - 2¹⁶ = 42178027343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42178092839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31807854 + ... + 31809179.

It is an arithmetic number, because the mean of its divisors is an integer number (4007873142).

Almost surely, 2^42178092879 is an apocalyptic number.

42178092879 is a deficient number, since it is larger than the sum of its proper divisors (21947877393).

42178092879 is a wasteful number, since it uses less digits than its factorization.

42178092879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63617066.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 42178092879 in words is "forty-two billion, one hundred seventy-eight million, ninety-two thousand, eight hundred seventy-nine".