82314987 has 4 divisors (see below), whose sum is σ = 109753320. Its totient is φ = 54876656.

The previous prime is 82314961. The next prime is 82314997. The reversal of 82314987 is 78941328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82314987 - 2¹⁰ = 82313963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82314937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13719162 + ... + 13719167.

It is an arithmetic number, because the mean of its divisors is an integer number (27438330).

Almost surely, 2^82314987 is an apocalyptic number.

82314987 is a deficient number, since it is larger than the sum of its proper divisors (27438333).

82314987 is a wasteful number, since it uses less digits than its factorization.

82314987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27438332.

The product of its digits is 96768, while the sum is 42.

The square root of 82314987 is about 9072.7607154603. The cubic root of 82314987 is about 435.0037204068.

The spelling of 82314987 in words is "eighty-two million, three hundred fourteen thousand, nine hundred eighty-seven".