87947068903 has 2 divisors, whose sum is σ = 87947068904. Its totient is φ = 87947068902.

The previous prime is 87947068897. The next prime is 87947068967. The reversal of 87947068903 is 30986074978.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87947068903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87947065903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43973534451 + 43973534452.

It is an arithmetic number, because the mean of its divisors is an integer number (43973534452).

Almost surely, 2^87947068903 is an apocalyptic number.

87947068903 is a deficient number, since it is larger than the sum of its proper divisors (1).

87947068903 is an equidigital number, since it uses as much as digits as its factorization.

87947068903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 87947068903 in words is "eighty-seven billion, nine hundred forty-seven million, sixty-eight thousand, nine hundred three".