82987937 has 8 divisors (see below), whose sum is σ = 85952640. Its totient is φ = 80030160.

The previous prime is 82987921. The next prime is 82987951. The reversal of 82987937 is 73978928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82987937 - 2⁴ = 82987921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82987907) 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 7 ways as a sum of consecutive naturals, for example, 40262 + ... + 42272.

It is an arithmetic number, because the mean of its divisors is an integer number (10744080).

Almost surely, 2^82987937 is an apocalyptic number.

It is an amenable number.

82987937 is a deficient number, since it is larger than the sum of its proper divisors (2964703).

82987937 is a wasteful number, since it uses less digits than its factorization.

82987937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463.

The product of its digits is 1524096, while the sum is 53.

The square root of 82987937 is about 9109.7715119535. The cubic root of 82987937 is about 436.1859337286.

Subtracting from 82987937 its reverse (73978928), we obtain a palindrome (9009009).

The spelling of 82987937 in words is "eighty-two million, nine hundred eighty-seven thousand, nine hundred thirty-seven".