8731487903 has 2 divisors, whose sum is σ = 8731487904. Its totient is φ = 8731487902.

The previous prime is 8731487893. The next prime is 8731487911. The reversal of 8731487903 is 3097841378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8731487903 - 2⁴ = 8731487887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8731481903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365743951 + 4365743952.

It is an arithmetic number, because the mean of its divisors is an integer number (4365743952).

Almost surely, 2^8731487903 is an apocalyptic number.

8731487903 is a deficient number, since it is larger than the sum of its proper divisors (1).

8731487903 is an equidigital number, since it uses as much as digits as its factorization.

8731487903 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 8731487903 is about 93442.4309561775. The cubic root of 8731487903 is about 2059.1884117982.

The spelling of 8731487903 in words is "eight billion, seven hundred thirty-one million, four hundred eighty-seven thousand, nine hundred three".