83031342857 has 2 divisors, whose sum is σ = 83031342858. Its totient is φ = 83031342856.

The previous prime is 83031342853. The next prime is 83031342937. The reversal of 83031342857 is 75824313038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50133001216 + 32898341641 = 223904^2 + 181379^2 .

It is a cyclic number.

It is not a de Polignac number, because 83031342857 - 2² = 83031342853 is a prime.

It is not a weakly prime, because it can be changed into another prime (83031342853) 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, 41515671428 + 41515671429.

It is an arithmetic number, because the mean of its divisors is an integer number (41515671429).

Almost surely, 2^83031342857 is an apocalyptic number.

It is an amenable number.

83031342857 is a deficient number, since it is larger than the sum of its proper divisors (1).

83031342857 is an equidigital number, since it uses as much as digits as its factorization.

83031342857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 83031342857 in words is "eighty-three billion, thirty-one million, three hundred forty-two thousand, eight hundred fifty-seven".