8007894861 has 8 divisors (see below), whose sum is σ = 10686930624. Its totient is φ = 5333727840.

The previous prime is 8007894847. The next prime is 8007894911. The reversal of 8007894861 is 1684987008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8007894861 - 2²² = 8003700557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8007894361) 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, 1213345 + ... + 1219926.

It is an arithmetic number, because the mean of its divisors is an integer number (1335866328).

Almost surely, 2^8007894861 is an apocalyptic number.

It is an amenable number.

8007894861 is a deficient number, since it is larger than the sum of its proper divisors (2679035763).

8007894861 is a wasteful number, since it uses less digits than its factorization.

8007894861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434371.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 8007894861 is about 89486.8418316347. The cubic root of 8007894861 is about 2000.6576887824.

The spelling of 8007894861 in words is "eight billion, seven million, eight hundred ninety-four thousand, eight hundred sixty-one".