9999767079 has 6 divisors (see below), whose sum is σ = 14444108016. Its totient is φ = 6666511380.

The previous prime is 9999767077. The next prime is 9999767101. The reversal of 9999767079 is 9707679999.

It is not a de Polignac number, because 9999767079 - 2¹ = 9999767077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9999766998 and 9999767016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999767077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555542607 + ... + 555542624.

It is an arithmetic number, because the mean of its divisors is an integer number (2407351336).

Almost surely, 2^9999767079 is an apocalyptic number.

9999767079 is a deficient number, since it is larger than the sum of its proper divisors (4444340937).

9999767079 is a wasteful number, since it uses less digits than its factorization.

9999767079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111085237 (or 1111085234 counting only the distinct ones).

The product of its (nonzero) digits is 121522842, while the sum is 72.

The square root of 9999767079 is about 99998.8353882184. The cubic root of 9999767079 is about 2154.4179627993.

The spelling of 9999767079 in words is "nine billion, nine hundred ninety-nine million, seven hundred sixty-seven thousand, seventy-nine".