8361257673 has 8 divisors (see below), whose sum is σ = 11148938368. Its totient is φ = 5573874384.

The previous prime is 8361257621. The next prime is 8361257683. The reversal of 8361257673 is 3767521638.

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

It is not a de Polignac number, because 8361257673 - 2⁸ = 8361257417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8361257683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 129342.

It is an arithmetic number, because the mean of its divisors is an integer number (1393617296).

Almost surely, 2^8361257673 is an apocalyptic number.

It is an amenable number.

8361257673 is a deficient number, since it is larger than the sum of its proper divisors (2787680695).

8361257673 is a wasteful number, since it uses less digits than its factorization.

8361257673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148703.

The product of its digits is 1270080, while the sum is 48.

The square root of 8361257673 is about 91439.9129100635. The cubic root of 8361257673 is about 2029.6626934362.

The spelling of 8361257673 in words is "eight billion, three hundred sixty-one million, two hundred fifty-seven thousand, six hundred seventy-three".