87258855 has 16 divisors (see below), whose sum is σ = 139753440. Its totient is φ = 46491648.

The previous prime is 87258851. The next prime is 87258859. The reversal of 87258855 is 55885278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87258851) and next prime (87258859).

It is not a de Polignac number, because 87258855 - 2² = 87258851 is a prime.

It is a super-2 number, since 2×87258855² = 15228215551822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87258851) by changing a digit.

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, 17079 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (8734590).

Almost surely, 2^87258855 is an apocalyptic number.

87258855 is a deficient number, since it is larger than the sum of its proper divisors (52494585).

87258855 is a wasteful number, since it uses less digits than its factorization.

87258855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810.

The product of its digits is 896000, while the sum is 48.

The square root of 87258855 is about 9341.2448313916. The cubic root of 87258855 is about 443.5437901910.

The spelling of 87258855 in words is "eighty-seven million, two hundred fifty-eight thousand, eight hundred fifty-five".