87384464 has 20 divisors (see below), whose sum is σ = 169746204. Its totient is φ = 43579008.

The previous prime is 87384389. The next prime is 87384481. The reversal of 87384464 is 46448378.

It can be written as a sum of positive squares in 2 ways, for example, as 26419600 + 60964864 = 5140^2 + 7808^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 13230.

Almost surely, 2^87384464 is an apocalyptic number.

It is an amenable number.

87384464 is a deficient number, since it is larger than the sum of its proper divisors (82361740).

87384464 is a wasteful number, since it uses less digits than its factorization.

87384464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162 (or 14156 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 87384464 is about 9347.9657680161. The cubic root of 87384464 is about 443.7565150402.

The spelling of 87384464 in words is "eighty-seven million, three hundred eighty-four thousand, four hundred sixty-four".