83858893 has 2 divisors, whose sum is σ = 83858894. Its totient is φ = 83858892.

The previous prime is 83858869. The next prime is 83858903. The reversal of 83858893 is 39885838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66536649 + 17322244 = 8157^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 83858893 - 2⁵ = 83858861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83858893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83858833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41929446 + 41929447.

It is an arithmetic number, because the mean of its divisors is an integer number (41929447).

Almost surely, 2^83858893 is an apocalyptic number.

It is an amenable number.

83858893 is a deficient number, since it is larger than the sum of its proper divisors (1).

83858893 is an equidigital number, since it uses as much as digits as its factorization.

83858893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The square root of 83858893 is about 9157.4501363644. The cubic root of 83858893 is about 437.7065460650.

The spelling of 83858893 in words is "eighty-three million, eight hundred fifty-eight thousand, eight hundred ninety-three".