1996576279 has 4 divisors (see below), whose sum is σ = 1999597480. Its totient is φ = 1993555080.

The previous prime is 1996576229. The next prime is 1996576327. The reversal of 1996576279 is 9726756991.

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 1996576279 - 2⁷ = 1996576151 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 (1996576229) 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, 1509609 + ... + 1510930.

It is an arithmetic number, because the mean of its divisors is an integer number (499899370).

Almost surely, 2^1996576279 is an apocalyptic number.

1996576279 is a deficient number, since it is larger than the sum of its proper divisors (3021201).

1996576279 is an equidigital number, since it uses as much as digits as its factorization.

1996576279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021200.

The product of its digits is 12859560, while the sum is 61.

The square root of 1996576279 is about 44683.0647896941. The cubic root of 1996576279 is about 1259.2017029052.

The spelling of 1996576279 in words is "one billion, nine hundred ninety-six million, five hundred seventy-six thousand, two hundred seventy-nine".