85010767631 has 2 divisors, whose sum is σ = 85010767632. Its totient is φ = 85010767630.

The previous prime is 85010767627. The next prime is 85010767657. The reversal of 85010767631 is 13676701058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85010767631 - 2² = 85010767627 is a prime.

It is a super-2 number, since 2×85010767631² (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 (85010767691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42505383815 + 42505383816.

It is an arithmetic number, because the mean of its divisors is an integer number (42505383816).

Almost surely, 2^85010767631 is an apocalyptic number.

85010767631 is a deficient number, since it is larger than the sum of its proper divisors (1).

85010767631 is an equidigital number, since it uses as much as digits as its factorization.

85010767631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 85010767631 in words is "eighty-five billion, ten million, seven hundred sixty-seven thousand, six hundred thirty-one".