996309000781 has 8 divisors (see below), whose sum is σ = 1014202828800. Its totient is φ = 978547230960.

The previous prime is 996309000769. The next prime is 996309000829. The reversal of 996309000781 is 187000903699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996309000781 - 2¹⁷ = 996308869709 is a prime.

It is a super-2 number, since 2×996309000781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996309040781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32999326 + ... + 33029503.

It is an arithmetic number, because the mean of its divisors is an integer number (126775353600).

Almost surely, 2^996309000781 is an apocalyptic number.

996309000781 is the 446388-th centered decagonal number.

It is an amenable number.

996309000781 is a deficient number, since it is larger than the sum of its proper divisors (17893828019).

996309000781 is a wasteful number, since it uses less digits than its factorization.

996309000781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66029099.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 996309000781 in words is "nine hundred ninety-six billion, three hundred nine million, seven hundred eighty-one", and thus it is an aban number.