8208072893 has 4 divisors (see below), whose sum is σ = 8209691520. Its totient is φ = 8206454268.

The previous prime is 8208072841. The next prime is 8208072907. The reversal of 8208072893 is 3982708028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8208072893 - 2²² = 8203878589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208012893) 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, 801683 + ... + 811856.

It is an arithmetic number, because the mean of its divisors is an integer number (2052422880).

Almost surely, 2^8208072893 is an apocalyptic number.

It is an amenable number.

8208072893 is a deficient number, since it is larger than the sum of its proper divisors (1618627).

8208072893 is a wasteful number, since it uses less digits than its factorization.

8208072893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618626.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 8208072893 is about 90598.4155104271. The cubic root of 8208072893 is about 2017.1912154183.

The spelling of 8208072893 in words is "eight billion, two hundred eight million, seventy-two thousand, eight hundred ninety-three".