76838541631 has 2 divisors, whose sum is σ = 76838541632. Its totient is φ = 76838541630.

The previous prime is 76838541583. The next prime is 76838541653. The reversal of 76838541631 is 13614583867.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76838541631 - 2⁷ = 76838541503 is a prime.

It is a super-2 number, since 2×76838541631² (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 (76838541331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38419270815 + 38419270816.

It is an arithmetic number, because the mean of its divisors is an integer number (38419270816).

Almost surely, 2^76838541631 is an apocalyptic number.

76838541631 is a deficient number, since it is larger than the sum of its proper divisors (1).

76838541631 is an equidigital number, since it uses as much as digits as its factorization.

76838541631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The spelling of 76838541631 in words is "seventy-six billion, eight hundred thirty-eight million, five hundred forty-one thousand, six hundred thirty-one".