83842729037 has 2 divisors, whose sum is σ = 83842729038. Its totient is φ = 83842729036.

The previous prime is 83842728979. The next prime is 83842729057. The reversal of 83842729037 is 73092724838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81258633481 + 2584095556 = 285059^2 + 50834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83842729037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83842729037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83842729057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41921364518 + 41921364519.

It is an arithmetic number, because the mean of its divisors is an integer number (41921364519).

Almost surely, 2^83842729037 is an apocalyptic number.

It is an amenable number.

83842729037 is a deficient number, since it is larger than the sum of its proper divisors (1).

83842729037 is an equidigital number, since it uses as much as digits as its factorization.

83842729037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 83842729037 in words is "eighty-three billion, eight hundred forty-two million, seven hundred twenty-nine thousand, thirty-seven".