9616779623 has 16 divisors (see below), whose sum is σ = 11138013216. Its totient is φ = 8206141440.

The previous prime is 9616779617. The next prime is 9616779629. The reversal of 9616779623 is 3269776169.

It is an interprime number because it is at equal distance from previous prime (9616779617) and next prime (9616779629).

It is a cyclic number.

It is not a de Polignac number, because 9616779623 - 2¹⁰ = 9616778599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9616779629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815 + ... + 138687.

It is an arithmetic number, because the mean of its divisors is an integer number (696125826).

Almost surely, 2^9616779623 is an apocalyptic number.

9616779623 is a deficient number, since it is larger than the sum of its proper divisors (1521233593).

9616779623 is a wasteful number, since it uses less digits than its factorization.

9616779623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138274.

The product of its digits is 5143824, while the sum is 56.

The square root of 9616779623 is about 98065.1804821671. The cubic root of 9616779623 is about 2126.5546822151.

The spelling of 9616779623 in words is "nine billion, six hundred sixteen million, seven hundred seventy-nine thousand, six hundred twenty-three".