84002387 has 8 divisors (see below), whose sum is σ = 96063072. Its totient is φ = 71956800.

The previous prime is 84002353. The next prime is 84002411. The reversal of 84002387 is 78320048.

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

It is a cyclic number.

It is not a de Polignac number, because 84002387 - 2⁸ = 84002131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84002887) 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 7 ways as a sum of consecutive naturals, for example, 13337 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (12007884).

Almost surely, 2^84002387 is an apocalyptic number.

84002387 is a deficient number, since it is larger than the sum of its proper divisors (12060685).

84002387 is a wasteful number, since it uses less digits than its factorization.

84002387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 84002387 is about 9165.2816105126. The cubic root of 84002387 is about 437.9560623273.

The spelling of 84002387 in words is "eighty-four million, two thousand, three hundred eighty-seven".