71838900937 has 2 divisors, whose sum is σ = 71838900938. Its totient is φ = 71838900936.

The previous prime is 71838900907. The next prime is 71838900943. The reversal of 71838900937 is 73900983817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52031434816 + 19807466121 = 228104^2 + 140739^2 .

It is a cyclic number.

It is not a de Polignac number, because 71838900937 - 2²³ = 71830512329 is a prime.

It is not a weakly prime, because it can be changed into another prime (71838900907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35919450468 + 35919450469.

It is an arithmetic number, because the mean of its divisors is an integer number (35919450469).

Almost surely, 2^71838900937 is an apocalyptic number.

It is an amenable number.

71838900937 is a deficient number, since it is larger than the sum of its proper divisors (1).

71838900937 is an equidigital number, since it uses as much as digits as its factorization.

71838900937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 71838900937 in words is "seventy-one billion, eight hundred thirty-eight million, nine hundred thousand, nine hundred thirty-seven".