87286782 has 16 divisors (see below), whose sum is σ = 190444032. Its totient is φ = 26450520.

The previous prime is 87286753. The next prime is 87286831. The reversal of 87286782 is 28768278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661198 + ... + 661329.

It is an arithmetic number, because the mean of its divisors is an integer number (11902752).

Almost surely, 2^87286782 is an apocalyptic number.

87286782 is an abundant number, since it is smaller than the sum of its proper divisors (103157250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87286782 is a wasteful number, since it uses less digits than its factorization.

87286782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322543.

The product of its digits is 602112, while the sum is 48.

The square root of 87286782 is about 9342.7395339911. The cubic root of 87286782 is about 443.5911035408.

The spelling of 87286782 in words is "eighty-seven million, two hundred eighty-six thousand, seven hundred eighty-two".