8906437873 has 2 divisors, whose sum is σ = 8906437874. Its totient is φ = 8906437872.

The previous prime is 8906437871. The next prime is 8906437879. The reversal of 8906437873 is 3787346098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8789625009 + 116812864 = 93753^2 + 10808^2 .

It is a cyclic number.

It is not a de Polignac number, because 8906437873 - 2¹ = 8906437871 is a prime.

Together with 8906437871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8906437871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4453218936 + 4453218937.

It is an arithmetic number, because the mean of its divisors is an integer number (4453218937).

Almost surely, 2^8906437873 is an apocalyptic number.

It is an amenable number.

8906437873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8906437873 is an equidigital number, since it uses as much as digits as its factorization.

8906437873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 8906437873 is about 94373.9258111053. The cubic root of 8906437873 is about 2072.8506605154.

The spelling of 8906437873 in words is "eight billion, nine hundred six million, four hundred thirty-seven thousand, eight hundred seventy-three".