83307793 has 2 divisors, whose sum is σ = 83307794. Its totient is φ = 83307792.

The previous prime is 83307787. The next prime is 83307797. The reversal of 83307793 is 39770338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79709184 + 3598609 = 8928^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 83307793 - 2²¹ = 81210641 is a prime.

It is not a weakly prime, because it can be changed into another prime (83307797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41653896 + 41653897.

It is an arithmetic number, because the mean of its divisors is an integer number (41653897).

Almost surely, 2^83307793 is an apocalyptic number.

It is an amenable number.

83307793 is a deficient number, since it is larger than the sum of its proper divisors (1).

83307793 is an equidigital number, since it uses as much as digits as its factorization.

83307793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 83307793 is about 9127.3102828818. The cubic root of 83307793 is about 436.7456047361.

It can be divided in two parts, 83307 and 793, that added together give a square (84100 = 290²).

The spelling of 83307793 in words is "eighty-three million, three hundred seven thousand, seven hundred ninety-three".