8389055405 has 8 divisors (see below), whose sum is σ = 10071758592. Its totient is φ = 6707982928.

The previous prime is 8389055401. The next prime is 8389055419. The reversal of 8389055405 is 5045509838.

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 8389055405 - 2² = 8389055401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8389055405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389055401) 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, 396329 + ... + 416958.

It is an arithmetic number, because the mean of its divisors is an integer number (1258969824).

Almost surely, 2^8389055405 is an apocalyptic number.

It is an amenable number.

8389055405 is a deficient number, since it is larger than the sum of its proper divisors (1682703187).

8389055405 is a wasteful number, since it uses less digits than its factorization.

8389055405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815355.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 8389055405 is about 91591.7867769813. The cubic root of 8389055405 is about 2031.9094690851.

The spelling of 8389055405 in words is "eight billion, three hundred eighty-nine million, fifty-five thousand, four hundred five".