607868686891 has 4 divisors (see below), whose sum is σ = 607967165232. Its totient is φ = 607770208552.

The previous prime is 607868686861. The next prime is 607868686897. The reversal of 607868686891 is 198686868706.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198686868706 = 2 ⋅99343434353.

It is a cyclic number.

It is not a de Polignac number, because 607868686891 - 2¹⁵ = 607868654123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607868686897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49229911 + ... + 49242256.

It is an arithmetic number, because the mean of its divisors is an integer number (151991791308).

Almost surely, 2^607868686891 is an apocalyptic number.

607868686891 is a deficient number, since it is larger than the sum of its proper divisors (98478341).

607868686891 is an equidigital number, since it uses as much as digits as its factorization.

607868686891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98478340.

The product of its (nonzero) digits is 334430208, while the sum is 73.

The spelling of 607868686891 in words is "six hundred seven billion, eight hundred sixty-eight million, six hundred eighty-six thousand, eight hundred ninety-one".