83799907 has 2 divisors, whose sum is σ = 83799908. Its totient is φ = 83799906.

The previous prime is 83799887. The next prime is 83799959. The reversal of 83799907 is 70999738.

It is an a-pointer prime, because the next prime (83799959) can be obtained adding 83799907 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83799907 is a prime.

It is not a weakly prime, because it can be changed into another prime (83799007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41899953 + 41899954.

It is an arithmetic number, because the mean of its divisors is an integer number (41899954).

Almost surely, 2^83799907 is an apocalyptic number.

83799907 is a deficient number, since it is larger than the sum of its proper divisors (1).

83799907 is an equidigital number, since it uses as much as digits as its factorization.

83799907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 83799907 is about 9154.2289134585. The cubic root of 83799907 is about 437.6038949991.

The spelling of 83799907 in words is "eighty-three million, seven hundred ninety-nine thousand, nine hundred seven".