996431189796 has 81 divisors (see below), whose sum is σ = 2930105473659. Its totient is φ = 284682647088.

The previous prime is 996431189753. The next prime is 996431189797. The reversal of 996431189796 is 697981134699.

It is a happy number.

The square root of 996431189796 is 998214.

It is a perfect power (a square), and thus also a powerful number.

996431189796 is a `hidden beast` number, since 9 + 9 + 6 + 431 + 18 + 97 + 96 = 666.

It is not an unprimeable number, because it can be changed into a prime (996431189797) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41913105 + ... + 41936871.

Almost surely, 2^996431189796 is an apocalyptic number.

996431189796 is the 998214-th square number.

It is an amenable number.

996431189796 is an abundant number, since it is smaller than the sum of its proper divisors (1933674283863).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996431189796 is an equidigital number, since it uses as much as digits as its factorization.

996431189796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47558 (or 23779 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 72.

The spelling of 996431189796 in words is "nine hundred ninety-six billion, four hundred thirty-one million, one hundred eighty-nine thousand, seven hundred ninety-six".