83853793 has 2 divisors, whose sum is σ = 83853794. Its totient is φ = 83853792.

The previous prime is 83853787. The next prime is 83853811. The reversal of 83853793 is 39735838.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 34951744 = 6993^2 + 5912^2 .

It is a cyclic number.

It is not a de Polignac number, because 83853793 - 2⁹ = 83853281 is a prime.

It is not a weakly prime, because it can be changed into another prime (83853293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41926896 + 41926897.

It is an arithmetic number, because the mean of its divisors is an integer number (41926897).

Almost surely, 2^83853793 is an apocalyptic number.

It is an amenable number.

83853793 is a deficient number, since it is larger than the sum of its proper divisors (1).

83853793 is an equidigital number, since it uses as much as digits as its factorization.

83853793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 83853793 is about 9157.1716703358. The cubic root of 83853793 is about 437.6976726327.

The spelling of 83853793 in words is "eighty-three million, eight hundred fifty-three thousand, seven hundred ninety-three".