8736722873 has 2 divisors, whose sum is σ = 8736722874. Its totient is φ = 8736722872.

The previous prime is 8736722867. The next prime is 8736722879. The reversal of 8736722873 is 3782276378.

It is a balanced prime because it is at equal distance from previous prime (8736722867) and next prime (8736722879).

It can be written as a sum of positive squares in only one way, i.e., 6412325929 + 2324396944 = 80077^2 + 48212^2 .

It is a cyclic number.

It is not a de Polignac number, because 8736722873 - 2⁴ = 8736722857 is a prime.

It is not a weakly prime, because it can be changed into another prime (8736722879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4368361436 + 4368361437.

It is an arithmetic number, because the mean of its divisors is an integer number (4368361437).

Almost surely, 2^8736722873 is an apocalyptic number.

It is an amenable number.

8736722873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8736722873 is an equidigital number, since it uses as much as digits as its factorization.

8736722873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 8736722873 is about 93470.4384979551. The cubic root of 8736722873 is about 2059.5998588907.

The spelling of 8736722873 in words is "eight billion, seven hundred thirty-six million, seven hundred twenty-two thousand, eight hundred seventy-three".