8399142055 has 8 divisors (see below), whose sum is σ = 10313365392. Its totient is φ = 6563050368.

The previous prime is 8399142049. The next prime is 8399142061. The reversal of 8399142055 is 5502419938.

It is an interprime number because it is at equal distance from previous prime (8399142049) and next prime (8399142061).

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 8399142055 - 2¹¹ = 8399140007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8399141996 and 8399142014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19532674 + ... + 19533103.

It is an arithmetic number, because the mean of its divisors is an integer number (1289170674).

Almost surely, 2^8399142055 is an apocalyptic number.

8399142055 is a deficient number, since it is larger than the sum of its proper divisors (1914223337).

8399142055 is a wasteful number, since it uses less digits than its factorization.

8399142055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39065825.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 8399142055 is about 91646.8333059032. The cubic root of 8399142055 is about 2032.7235039581.

The spelling of 8399142055 in words is "eight billion, three hundred ninety-nine million, one hundred forty-two thousand, fifty-five".