996661479 has 8 divisors (see below), whose sum is σ = 1449689472. Its totient is φ = 604037240.

The previous prime is 996661441. The next prime is 996661483. The reversal of 996661479 is 974166699.

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 996661479 - 2⁸ = 996661223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996661079) 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, 15100899 + ... + 15100964.

It is an arithmetic number, because the mean of its divisors is an integer number (181211184).

Almost surely, 2^996661479 is an apocalyptic number.

996661479 is a deficient number, since it is larger than the sum of its proper divisors (453027993).

996661479 is a wasteful number, since it uses less digits than its factorization.

996661479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201877.

The product of its digits is 4408992, while the sum is 57.

The square root of 996661479 is about 31569.9458187688. The cubic root of 996661479 is about 998.8859189510.

The spelling of 996661479 in words is "nine hundred ninety-six million, six hundred sixty-one thousand, four hundred seventy-nine".