87260286 has 32 divisors (see below), whose sum is σ = 185997600. Its totient is φ = 27196416.

The previous prime is 87260267. The next prime is 87260309. The reversal of 87260286 is 68206278.

It is a super-2 number, since 2×87260286² = 15228715025603592, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 13290 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (5812425).

Almost surely, 2^87260286 is an apocalyptic number.

87260286 is an abundant number, since it is smaller than the sum of its proper divisors (98737314).

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

87260286 is a wasteful number, since it uses less digits than its factorization.

87260286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 87260286 is about 9341.3214268646. The cubic root of 87260286 is about 443.5462148072.

The spelling of 87260286 in words is "eighty-seven million, two hundred sixty thousand, two hundred eighty-six".