87227878 has 8 divisors (see below), whose sum is σ = 131720400. Its totient is φ = 43321080.

The previous prime is 87227849. The next prime is 87227887. The reversal of 87227878 is 87872278.

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

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 3 ways as a sum of consecutive naturals, for example, 146058 + ... + 146653.

It is an arithmetic number, because the mean of its divisors is an integer number (16465050).

Almost surely, 2^87227878 is an apocalyptic number.

87227878 is a deficient number, since it is larger than the sum of its proper divisors (44492522).

87227878 is a wasteful number, since it uses less digits than its factorization.

87227878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292862.

The product of its digits is 702464, while the sum is 49.

The square root of 87227878 is about 9339.5866075539. The cubic root of 87227878 is about 443.4912977833.

It can be divided in two parts, 872278 and 78, that added together give a square (872356 = 934²).

The spelling of 87227878 in words is "eighty-seven million, two hundred twenty-seven thousand, eight hundred seventy-eight".