42877794231 has 64 divisors (see below), whose sum is σ = 65235456000. Its totient is φ = 27827504640.

The previous prime is 42877794221. The next prime is 42877794263. The reversal of 42877794231 is 13249777824.

It is not a de Polignac number, because 42877794231 - 2¹⁰ = 42877793207 is a prime.

It is a super-2 number, since 2×42877794231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877794221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72306271 + ... + 72306863.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304000).

Almost surely, 2^42877794231 is an apocalyptic number.

42877794231 is a deficient number, since it is larger than the sum of its proper divisors (22357661769).

42877794231 is a wasteful number, since it uses less digits than its factorization.

42877794231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1095 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The spelling of 42877794231 in words is "forty-two billion, eight hundred seventy-seven million, seven hundred ninety-four thousand, two hundred thirty-one".