8630720799 has 16 divisors (see below), whose sum is σ = 11644508160. Its totient is φ = 5685458240.

The previous prime is 8630720729. The next prime is 8630720807. The reversal of 8630720799 is 9970270368.

It is a cyclic number.

It is not a de Polignac number, because 8630720799 - 2³² = 4335753503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8630720719) 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, 435394 + ... + 454784.

It is an arithmetic number, because the mean of its divisors is an integer number (727781760).

Almost surely, 2^8630720799 is an apocalyptic number.

8630720799 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8630720799 is a deficient number, since it is larger than the sum of its proper divisors (3013787361).

8630720799 is a wasteful number, since it uses less digits than its factorization.

8630720799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21150.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 8630720799 is about 92901.6727459737. The cubic root of 8630720799 is about 2051.2362797958.

The spelling of 8630720799 in words is "eight billion, six hundred thirty million, seven hundred twenty thousand, seven hundred ninety-nine".