8373457761 has 4 divisors (see below), whose sum is σ = 11164610352. Its totient is φ = 5582305172.

The previous prime is 8373457721. The next prime is 8373457769. The reversal of 8373457761 is 1677543738.

8373457761 is digitally balanced in base 3, 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 8373457761 - 2¹⁰ = 8373456737 is a prime.

It is a super-2 number, since 2×8373457761² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8373457769) 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, 1395576291 + ... + 1395576296.

It is an arithmetic number, because the mean of its divisors is an integer number (2791152588).

Almost surely, 2^8373457761 is an apocalyptic number.

It is an amenable number.

8373457761 is a deficient number, since it is larger than the sum of its proper divisors (2791152591).

8373457761 is a wasteful number, since it uses less digits than its factorization.

8373457761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791152590.

The product of its digits is 2963520, while the sum is 51.

The square root of 8373457761 is about 91506.5995488850. The cubic root of 8373457761 is about 2030.6493882843.

The spelling of 8373457761 in words is "eight billion, three hundred seventy-three million, four hundred fifty-seven thousand, seven hundred sixty-one".