842302479 has 4 divisors (see below), whose sum is σ = 1123069976. Its totient is φ = 561534984.

The previous prime is 842302453. The next prime is 842302499. The reversal of 842302479 is 974203248.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-842302479 is a prime.

It is a super-2 number, since 2×842302479² = 1418946932259090882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842302429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140383744 + ... + 140383749.

It is an arithmetic number, because the mean of its divisors is an integer number (280767494).

Almost surely, 2^842302479 is an apocalyptic number.

842302479 is a deficient number, since it is larger than the sum of its proper divisors (280767497).

842302479 is a wasteful number, since it uses less digits than its factorization.

842302479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280767496.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 842302479 is about 29022.4478464515. The cubic root of 842302479 is about 944.4001041293.

The spelling of 842302479 in words is "eight hundred forty-two million, three hundred two thousand, four hundred seventy-nine".