87229827 has 12 divisors (see below), whose sum is σ = 126640800. Its totient is φ = 57856848.

The previous prime is 87229811. The next prime is 87229861. The reversal of 87229827 is 72892278.

It is a happy number.

It is not a de Polignac number, because 87229827 - 2⁴ = 87229811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87224827) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 22827 + ... + 26372.

It is an arithmetic number, because the mean of its divisors is an integer number (10553400).

Almost surely, 2^87229827 is an apocalyptic number.

87229827 is a deficient number, since it is larger than the sum of its proper divisors (39410973).

87229827 is a wasteful number, since it uses less digits than its factorization.

87229827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49402 (or 49399 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 87229827 is about 9339.6909477777. The cubic root of 87229827 is about 443.4946008485.

The spelling of 87229827 in words is "eighty-seven million, two hundred twenty-nine thousand, eight hundred twenty-seven".