82834987 has 2 divisors, whose sum is σ = 82834988. Its totient is φ = 82834986.

The previous prime is 82834967. The next prime is 82835057. The reversal of 82834987 is 78943828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82834987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82834987.

It is not a weakly prime, because it can be changed into another prime (82834957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41417493 + 41417494.

It is an arithmetic number, because the mean of its divisors is an integer number (41417494).

Almost surely, 2^82834987 is an apocalyptic number.

82834987 is a deficient number, since it is larger than the sum of its proper divisors (1).

82834987 is an equidigital number, since it uses as much as digits as its factorization.

82834987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 82834987 is about 9101.3728085383. The cubic root of 82834987 is about 435.9177997127.

The spelling of 82834987 in words is "eighty-two million, eight hundred thirty-four thousand, nine hundred eighty-seven".