999792793 has 2 divisors, whose sum is σ = 999792794. Its totient is φ = 999792792.

The previous prime is 999792791. The next prime is 999792823. The reversal of 999792793 is 397297999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607277449 + 392515344 = 24643^2 + 19812^2 .

It is a cyclic number.

It is not a de Polignac number, because 999792793 - 2¹ = 999792791 is a prime.

Together with 999792791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (999792791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499896396 + 499896397.

It is an arithmetic number, because the mean of its divisors is an integer number (499896397).

Almost surely, 2^999792793 is an apocalyptic number.

It is an amenable number.

999792793 is a deficient number, since it is larger than the sum of its proper divisors (1).

999792793 is an equidigital number, since it uses as much as digits as its factorization.

999792793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17360406, while the sum is 64.

The square root of 999792793 is about 31619.5002016161. The cubic root of 999792793 is about 999.9309262289.

The spelling of 999792793 in words is "nine hundred ninety-nine million, seven hundred ninety-two thousand, seven hundred ninety-three".