8730873491 has 2 divisors, whose sum is σ = 8730873492. Its totient is φ = 8730873490.

The previous prime is 8730873409. The next prime is 8730873499. The reversal of 8730873491 is 1943780378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8730873491 - 2²² = 8726679187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8730873499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365436745 + 4365436746.

It is an arithmetic number, because the mean of its divisors is an integer number (4365436746).

Almost surely, 2^8730873491 is an apocalyptic number.

8730873491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8730873491 is an equidigital number, since it uses as much as digits as its factorization.

8730873491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 8730873491 is about 93439.1432484267. The cubic root of 8730873491 is about 2059.1401107617.

The spelling of 8730873491 in words is "eight billion, seven hundred thirty million, eight hundred seventy-three thousand, four hundred ninety-one".