87866270 has 16 divisors (see below), whose sum is σ = 158323680. Its totient is φ = 35109984.

The previous prime is 87866257. The next prime is 87866297. The reversal of 87866270 is 7266878.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6911 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (9895230).

Almost surely, 2^87866270 is an apocalyptic number.

87866270 is a deficient number, since it is larger than the sum of its proper divisors (70457410).

87866270 is a wasteful number, since it uses less digits than its factorization.

87866270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 87866270 is about 9373.7009766687. The cubic root of 87866270 is about 444.5705911137.

The spelling of 87866270 in words is "eighty-seven million, eight hundred sixty-six thousand, two hundred seventy".