996797858125 has 20 divisors (see below), whose sum is σ = 1318869123660. Its totient is φ = 750530144000.

The previous prime is 996797858123. The next prime is 996797858233. The reversal of 996797858125 is 521858797699.

It can be written as a sum of positive squares in 10 ways, for example, as 688921580169 + 307876277956 = 830013^2 + 554866^2 .

It is not a de Polignac number, because 996797858125 - 2¹ = 996797858123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996797858123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46897510 + ... + 46918759.

It is an arithmetic number, because the mean of its divisors is an integer number (65943456183).

Almost surely, 2^996797858125 is an apocalyptic number.

It is an amenable number.

996797858125 is a deficient number, since it is larger than the sum of its proper divisors (322071265535).

996797858125 is an equidigital number, since it uses as much as digits as its factorization.

996797858125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93816306 (or 93816291 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 76.

The spelling of 996797858125 in words is "nine hundred ninety-six billion, seven hundred ninety-seven million, eight hundred fifty-eight thousand, one hundred twenty-five".