87286042 has 8 divisors (see below), whose sum is σ = 131151636. Its totient is φ = 43568832.

The previous prime is 87286021. The next prime is 87286061. The reversal of 87286042 is 24068278.

It can be written as a sum of positive squares in 2 ways, for example, as 84658401 + 2627641 = 9201^2 + 1621^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 87285992 and 87286010.

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, 35613 + ... + 37984.

Almost surely, 2^87286042 is an apocalyptic number.

87286042 is a deficient number, since it is larger than the sum of its proper divisors (43865594).

87286042 is a wasteful number, since it uses less digits than its factorization.

87286042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74192.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 87286042 is about 9342.6999309621. The cubic root of 87286042 is about 443.5898499782.

The spelling of 87286042 in words is "eighty-seven million, two hundred eighty-six thousand, forty-two".