996291804371 has 4 divisors (see below), whose sum is σ = 1013178106200. Its totient is φ = 979405502544.

The previous prime is 996291804349. The next prime is 996291804451. The reversal of 996291804371 is 173408192699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 996291804371 - 2¹⁸ = 996291542227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 16886301769 = 996291804371 / (9 + 9 + 6 + 2 + 9 + 1 + 8 + 0 + 4 + 3 + 7 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 996291804371.

It is not an unprimeable number, because it can be changed into a prime (996291804271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8443150826 + ... + 8443150943.

It is an arithmetic number, because the mean of its divisors is an integer number (253294526550).

Almost surely, 2^996291804371 is an apocalyptic number.

996291804371 is a deficient number, since it is larger than the sum of its proper divisors (16886301829).

996291804371 is a wasteful number, since it uses less digits than its factorization.

996291804371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16886301828.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 996291804371 in words is "nine hundred ninety-six billion, two hundred ninety-one million, eight hundred four thousand, three hundred seventy-one".