82367993 has 2 divisors, whose sum is σ = 82367994. Its totient is φ = 82367992.

The previous prime is 82367981. The next prime is 82368001. The reversal of 82367993 is 39976328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80066704 + 2301289 = 8948^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 82367993 - 2⁴ = 82367977 is a prime.

It is not a weakly prime, because it can be changed into another prime (82367903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41183996 + 41183997.

It is an arithmetic number, because the mean of its divisors is an integer number (41183997).

Almost surely, 2^82367993 is an apocalyptic number.

It is an amenable number.

82367993 is a deficient number, since it is larger than the sum of its proper divisors (1).

82367993 is an equidigital number, since it uses as much as digits as its factorization.

82367993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 82367993 is about 9075.6814069248. The cubic root of 82367993 is about 435.0970726242.

The spelling of 82367993 in words is "eighty-two million, three hundred sixty-seven thousand, nine hundred ninety-three".