842726975931 has 24 divisors (see below), whose sum is σ = 1220787872304. Its totient is φ = 560196518400.

The previous prime is 842726975927. The next prime is 842726975933. The reversal of 842726975931 is 139579627248.

842726975931 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842726975931 - 2² = 842726975927 is a prime.

It is a super-3 number, since 3×842726975931³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (842726975933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9400140 + ... + 9489366.

It is an arithmetic number, because the mean of its divisors is an integer number (50866161346).

Almost surely, 2^842726975931 is an apocalyptic number.

842726975931 is a deficient number, since it is larger than the sum of its proper divisors (378060896373).

842726975931 is a wasteful number, since it uses less digits than its factorization.

842726975931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92251 (or 92248 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 842726975931 in words is "eight hundred forty-two billion, seven hundred twenty-six million, nine hundred seventy-five thousand, nine hundred thirty-one".