84404187007 has 8 divisors (see below), whose sum is σ = 96464584832. Its totient is φ = 72344453400.

The previous prime is 84404186983. The next prime is 84404187037. The reversal of 84404187007 is 70078140448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84404187007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84404187037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145132 + ... + 435742.

It is an arithmetic number, because the mean of its divisors is an integer number (12058073104).

Almost surely, 2^84404187007 is an apocalyptic number.

84404187007 is a deficient number, since it is larger than the sum of its proper divisors (12060397825).

84404187007 is a wasteful number, since it uses less digits than its factorization.

84404187007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332109.

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 84404187007 in words is "eighty-four billion, four hundred four million, one hundred eighty-seven thousand, seven".