844380699 has 16 divisors (see below), whose sum is σ = 1147060992. Its totient is φ = 552375648.

The previous prime is 844380689. The next prime is 844380739. The reversal of 844380699 is 996083448.

It is a happy number.

It is not a de Polignac number, because 844380699 - 2⁷ = 844380571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (844380619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44877 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (71691312).

Almost surely, 2^844380699 is an apocalyptic number.

844380699 is a deficient number, since it is larger than the sum of its proper divisors (302680293).

844380699 is a wasteful number, since it uses less digits than its factorization.

844380699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 844380699 is about 29058.2294539774. The cubic root of 844380699 is about 945.1761749868.

The spelling of 844380699 in words is "eight hundred forty-four million, three hundred eighty thousand, six hundred ninety-nine".