996777038707871 has 8 divisors (see below), whose sum is σ = 996862016396400. Its totient is φ = 996692062887360.

The previous prime is 996777038707811. The next prime is 996777038707907. The reversal of 996777038707871 is 178707830777699.

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 996777038707871 - 2³⁴ = 996759858838687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996777038707811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195489436 + ... + 1196322926.

It is an arithmetic number, because the mean of its divisors is an integer number (124607752049550).

Almost surely, 2^{996777038707871} is an apocalyptic number.

996777038707871 is a deficient number, since it is larger than the sum of its proper divisors (84977688529).

996777038707871 is a wasteful number, since it uses less digits than its factorization.

996777038707871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934009.

The product of its (nonzero) digits is 10978063488, while the sum is 86.

The spelling of 996777038707871 in words is "nine hundred ninety-six trillion, seven hundred seventy-seven billion, thirty-eight million, seven hundred seven thousand, eight hundred seventy-one".