842762879 has 16 divisors (see below), whose sum is σ = 1073491200. Its totient is φ = 644091264.

The previous prime is 842762873. The next prime is 842762897. The reversal of 842762879 is 978267248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842762879 - 2⁴ = 842762863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842762879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842762873) 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, 184109 + ... + 188630.

It is an arithmetic number, because the mean of its divisors is an integer number (67093200).

Almost surely, 2^842762879 is an apocalyptic number.

842762879 is a deficient number, since it is larger than the sum of its proper divisors (230728321).

842762879 is a wasteful number, since it uses less digits than its factorization.

842762879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372782.

The product of its digits is 2709504, while the sum is 53.

The square root of 842762879 is about 29030.3785541973. The cubic root of 842762879 is about 944.5721415396.

The spelling of 842762879 in words is "eight hundred forty-two million, seven hundred sixty-two thousand, eight hundred seventy-nine".