87427244 has 6 divisors (see below), whose sum is σ = 152997684. Its totient is φ = 43713620.

The previous prime is 87427237. The next prime is 87427273. The reversal of 87427244 is 44272478.

It is a junction number, because it is equal to n+sod(n) for n = 87427198 and 87427207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10928402 + ... + 10928409.

It is an arithmetic number, because the mean of its divisors is an integer number (25499614).

Almost surely, 2^87427244 is an apocalyptic number.

It is an amenable number.

87427244 is a deficient number, since it is larger than the sum of its proper divisors (65570440).

87427244 is a wasteful number, since it uses less digits than its factorization.

87427244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856815 (or 21856813 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 87427244 is about 9350.2536863980. The cubic root of 87427244 is about 443.8289184773.

The spelling of 87427244 in words is "eighty-seven million, four hundred twenty-seven thousand, two hundred forty-four".