8016870399 has 4 divisors (see below), whose sum is σ = 10689160536. Its totient is φ = 5344580264.

The previous prime is 8016870397. The next prime is 8016870451. The reversal of 8016870399 is 9930786108.

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

It is a cyclic number.

It is not a de Polignac number, because 8016870399 - 2¹ = 8016870397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8016870391) 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, 1336145064 + ... + 1336145069.

It is an arithmetic number, because the mean of its divisors is an integer number (2672290134).

Almost surely, 2^8016870399 is an apocalyptic number.

8016870399 is a deficient number, since it is larger than the sum of its proper divisors (2672290137).

8016870399 is a wasteful number, since it uses less digits than its factorization.

8016870399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672290136.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 8016870399 is about 89536.9778303914. The cubic root of 8016870399 is about 2001.4048795090.

The spelling of 8016870399 in words is "eight billion, sixteen million, eight hundred seventy thousand, three hundred ninety-nine".