84002388667 has 4 divisors (see below), whose sum is σ = 84034812096. Its totient is φ = 83969965240.

The previous prime is 84002388653. The next prime is 84002388721. The reversal of 84002388667 is 76688320048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84002388667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84002388647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16207828 + ... + 16213009.

It is an arithmetic number, because the mean of its divisors is an integer number (21008703024).

Almost surely, 2^84002388667 is an apocalyptic number.

84002388667 is a deficient number, since it is larger than the sum of its proper divisors (32423429).

84002388667 is a wasteful number, since it uses less digits than its factorization.

84002388667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32423428.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 84002388667 in words is "eighty-four billion, two million, three hundred eighty-eight thousand, six hundred sixty-seven".