868742603 has 2 divisors, whose sum is σ = 868742604. Its totient is φ = 868742602.

The previous prime is 868742587. The next prime is 868742629. The reversal of 868742603 is 306247868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868742603 - 2⁴ = 868742587 is a prime.

It is not a weakly prime, because it can be changed into another prime (868732603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434371301 + 434371302.

It is an arithmetic number, because the mean of its divisors is an integer number (434371302).

Almost surely, 2^868742603 is an apocalyptic number.

868742603 is a deficient number, since it is larger than the sum of its proper divisors (1).

868742603 is an equidigital number, since it uses as much as digits as its factorization.

868742603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 868742603 is about 29474.4398250416. The cubic root of 868742603 is about 954.1801404512.

The spelling of 868742603 in words is "eight hundred sixty-eight million, seven hundred forty-two thousand, six hundred three".