82987888 has 20 divisors (see below), whose sum is σ = 160958448. Its totient is φ = 41450240.

The previous prime is 82987871. The next prime is 82987903. The reversal of 82987888 is 88878928.

It is a congruent number.

It is an unprimeable number.

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, 17448 + ... + 21688.

Almost surely, 2^82987888 is an apocalyptic number.

It is an amenable number.

82987888 is a deficient number, since it is larger than the sum of its proper divisors (77970560).

82987888 is a wasteful number, since it uses less digits than its factorization.

82987888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472 (or 5466 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 58.

The square root of 82987888 is about 9109.7688225333. The cubic root of 82987888 is about 436.1858478804.

The spelling of 82987888 in words is "eighty-two million, nine hundred eighty-seven thousand, eight hundred eighty-eight".