87722582 has 16 divisors (see below), whose sum is σ = 138897600. Its totient is φ = 41436360.

The previous prime is 87722573. The next prime is 87722603. The reversal of 87722582 is 28522778.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 11357 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (8681100).

Almost surely, 2^87722582 is an apocalyptic number.

87722582 is a deficient number, since it is larger than the sum of its proper divisors (51175018).

87722582 is a wasteful number, since it uses less digits than its factorization.

87722582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its digits is 125440, while the sum is 41.

The square root of 87722582 is about 9366.0334186890. The cubic root of 87722582 is about 444.3281229799.

The spelling of 87722582 in words is "eighty-seven million, seven hundred twenty-two thousand, five hundred eighty-two".