842038047 has 6 divisors (see below), whose sum is σ = 1216277192. Its totient is φ = 561358692.

The previous prime is 842038037. The next prime is 842038051. The reversal of 842038047 is 740830248.

It is not a de Polignac number, because 842038047 - 2¹⁵ = 842005279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842038007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46779883 + ... + 46779900.

Almost surely, 2^842038047 is an apocalyptic number.

842038047 is a deficient number, since it is larger than the sum of its proper divisors (374239145).

842038047 is a wasteful number, since it uses less digits than its factorization.

842038047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93559789 (or 93559786 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 842038047 is about 29017.8918427924. The cubic root of 842038047 is about 944.3012656271.

The spelling of 842038047 in words is "eight hundred forty-two million, thirty-eight thousand, forty-seven".