87731703799 has 2 divisors, whose sum is σ = 87731703800. Its totient is φ = 87731703798.

The previous prime is 87731703781. The next prime is 87731703821. The reversal of 87731703799 is 99730713778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87731703799 - 2¹⁵ = 87731671031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87731703739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43865851899 + 43865851900.

It is an arithmetic number, because the mean of its divisors is an integer number (43865851900).

Almost surely, 2^87731703799 is an apocalyptic number.

87731703799 is a deficient number, since it is larger than the sum of its proper divisors (1).

87731703799 is an equidigital number, since it uses as much as digits as its factorization.

87731703799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14002632, while the sum is 61.

The spelling of 87731703799 in words is "eighty-seven billion, seven hundred thirty-one million, seven hundred three thousand, seven hundred ninety-nine".