71794516831 has 2 divisors, whose sum is σ = 71794516832. Its totient is φ = 71794516830.

The previous prime is 71794516771. The next prime is 71794516847. The reversal of 71794516831 is 13861549717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71794516831 - 2²⁹ = 71257645919 is a prime.

It is a super-2 number, since 2×71794516831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71794513831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35897258415 + 35897258416.

It is an arithmetic number, because the mean of its divisors is an integer number (35897258416).

Almost surely, 2^71794516831 is an apocalyptic number.

71794516831 is a deficient number, since it is larger than the sum of its proper divisors (1).

71794516831 is an equidigital number, since it uses as much as digits as its factorization.

71794516831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 52.

The spelling of 71794516831 in words is "seventy-one billion, seven hundred ninety-four million, five hundred sixteen thousand, eight hundred thirty-one".