68098723567 has 16 divisors (see below), whose sum is σ = 78892450560. Its totient is φ = 57573611712.

The previous prime is 68098723547. The next prime is 68098723643. The reversal of 68098723567 is 76532789086.

It is a cyclic number.

It is not a de Polignac number, because 68098723567 - 2⁷ = 68098723439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68098723507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264963 + ... + 454315.

It is an arithmetic number, because the mean of its divisors is an integer number (4930778160).

Almost surely, 2^68098723567 is an apocalyptic number.

68098723567 is a deficient number, since it is larger than the sum of its proper divisors (10793726993).

68098723567 is a wasteful number, since it uses less digits than its factorization.

68098723567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190062.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 68098723567 in words is "sixty-eight billion, ninety-eight million, seven hundred twenty-three thousand, five hundred sixty-seven".