8611542973 has 4 divisors (see below), whose sum is σ = 9394410528. Its totient is φ = 7828675420.

The previous prime is 8611542959. The next prime is 8611542991. The reversal of 8611542973 is 3792451168.

8611542973 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 8611542973 - 2⁵ = 8611542941 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 (8611542073) 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, 391433761 + ... + 391433782.

It is an arithmetic number, because the mean of its divisors is an integer number (2348602632).

Almost surely, 2^8611542973 is an apocalyptic number.

It is an amenable number.

8611542973 is a deficient number, since it is larger than the sum of its proper divisors (782867555).

8611542973 is a wasteful number, since it uses less digits than its factorization.

8611542973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782867554.

The product of its digits is 362880, while the sum is 46.

The square root of 8611542973 is about 92798.3996252091. The cubic root of 8611542973 is about 2049.7158418748.

The spelling of 8611542973 in words is "eight billion, six hundred eleven million, five hundred forty-two thousand, nine hundred seventy-three".