26701860197 has 8 divisors (see below), whose sum is σ = 28445864160. Its totient is φ = 24991720560.

The previous prime is 26701860187. The next prime is 26701860223. The reversal of 26701860197 is 79106810762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26701860197 - 2⁴ = 26701860181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26701860187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8464454 + ... + 8467607.

It is an arithmetic number, because the mean of its divisors is an integer number (3555733020).

Almost surely, 2^26701860197 is an apocalyptic number.

It is an amenable number.

26701860197 is a deficient number, since it is larger than the sum of its proper divisors (1744003963).

26701860197 is a wasteful number, since it uses less digits than its factorization.

26701860197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932163.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 26701860197 in words is "twenty-six billion, seven hundred one million, eight hundred sixty thousand, one hundred ninety-seven".