87547226 has 16 divisors (see below), whose sum is σ = 144713184. Its totient is φ = 39466224.

The previous prime is 87547199. The next prime is 87547237. The reversal of 87547226 is 62274578.

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, 38036 + ... + 40271.

It is an arithmetic number, because the mean of its divisors is an integer number (9044574).

Almost surely, 2^87547226 is an apocalyptic number.

87547226 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

87547226 is a deficient number, since it is larger than the sum of its proper divisors (57165958).

87547226 is a wasteful number, since it uses less digits than its factorization.

87547226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78365.

The product of its digits is 188160, while the sum is 41.

The square root of 87547226 is about 9356.6674622966. The cubic root of 87547226 is about 444.0318572764.

The spelling of 87547226 in words is "eighty-seven million, five hundred forty-seven thousand, two hundred twenty-six".