996615907 has 4 divisors (see below), whose sum is σ = 1138989616. Its totient is φ = 854242200.

The previous prime is 996615901. The next prime is 996615941. The reversal of 996615907 is 709516699.

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

It is not a de Polignac number, because 996615907 - 2¹⁵ = 996583139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996615901) 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, 71186844 + ... + 71186857.

It is an arithmetic number, because the mean of its divisors is an integer number (284747404).

Almost surely, 2^996615907 is an apocalyptic number.

996615907 is the 18227-th hex number.

996615907 is a deficient number, since it is larger than the sum of its proper divisors (142373709).

996615907 is a wasteful number, since it uses less digits than its factorization.

996615907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142373708.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 996615907 is about 31569.2240481137. The cubic root of 996615907 is about 998.8706941484.

The spelling of 996615907 in words is "nine hundred ninety-six million, six hundred fifteen thousand, nine hundred seven".