82336987 has 4 divisors (see below), whose sum is σ = 85916880. Its totient is φ = 78757096.

The previous prime is 82336973. The next prime is 82336993. The reversal of 82336987 is 78963328.

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 82336987 - 2¹¹ = 82334939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82336087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789912 + ... + 1789957.

It is an arithmetic number, because the mean of its divisors is an integer number (21479220).

Almost surely, 2^82336987 is an apocalyptic number.

82336987 is a deficient number, since it is larger than the sum of its proper divisors (3579893).

82336987 is a wasteful number, since it uses less digits than its factorization.

82336987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579892.

The product of its digits is 435456, while the sum is 46.

The square root of 82336987 is about 9073.9730548421. The cubic root of 82336987 is about 435.0424708610.

The spelling of 82336987 in words is "eighty-two million, three hundred thirty-six thousand, nine hundred eighty-seven".