996572857837 has 2 divisors, whose sum is σ = 996572857838. Its totient is φ = 996572857836.

The previous prime is 996572857823. The next prime is 996572857883. The reversal of 996572857837 is 738758275699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699186958276 + 297385899561 = 836174^2 + 545331^2 .

It is a cyclic number.

It is not a de Polignac number, because 996572857837 - 2¹⁵ = 996572825069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996572857037) 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, 498286428918 + 498286428919.

It is an arithmetic number, because the mean of its divisors is an integer number (498286428919).

Almost surely, 2^996572857837 is an apocalyptic number.

It is an amenable number.

996572857837 is a deficient number, since it is larger than the sum of its proper divisors (1).

996572857837 is an equidigital number, since it uses as much as digits as its factorization.

996572857837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600300800, while the sum is 76.

The spelling of 996572857837 in words is "nine hundred ninety-six billion, five hundred seventy-two million, eight hundred fifty-seven thousand, eight hundred thirty-seven".