868402699 has 2 divisors, whose sum is σ = 868402700. Its totient is φ = 868402698.

The previous prime is 868402643. The next prime is 868402723. The reversal of 868402699 is 996204868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868402699 - 2¹⁷ = 868271627 is a prime.

It is not a weakly prime, because it can be changed into another prime (868402609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434201349 + 434201350.

It is an arithmetic number, because the mean of its divisors is an integer number (434201350).

Almost surely, 2^868402699 is an apocalyptic number.

868402699 is a deficient number, since it is larger than the sum of its proper divisors (1).

868402699 is an equidigital number, since it uses as much as digits as its factorization.

868402699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 868402699 is about 29468.6731801756. The cubic root of 868402699 is about 954.0556801283.

The spelling of 868402699 in words is "eight hundred sixty-eight million, four hundred two thousand, six hundred ninety-nine".