8634725837 has 4 divisors (see below), whose sum is σ = 8818443456. Its totient is φ = 8451008220.

The previous prime is 8634725819. The next prime is 8634725851. The reversal of 8634725837 is 7385274368.

8634725837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8634725837 - 2¹⁴ = 8634709453 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 (8634725537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91858739 + ... + 91858832.

It is an arithmetic number, because the mean of its divisors is an integer number (2204610864).

Almost surely, 2^8634725837 is an apocalyptic number.

It is an amenable number.

8634725837 is a deficient number, since it is larger than the sum of its proper divisors (183717619).

8634725837 is a wasteful number, since it uses less digits than its factorization.

8634725837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183717618.

The product of its digits is 6773760, while the sum is 53.

The square root of 8634725837 is about 92923.2254982574. The cubic root of 8634725837 is about 2051.5535189935.

The spelling of 8634725837 in words is "eight billion, six hundred thirty-four million, seven hundred twenty-five thousand, eight hundred thirty-seven".