26374163687 has 6 divisors (see below), whose sum is σ = 27521679192. Its totient is φ = 25226715932.

The previous prime is 26374163671. The next prime is 26374163713. The reversal of 26374163687 is 78636147362.

It is not a de Polignac number, because 26374163687 - 2⁴ = 26374163671 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 (26374162687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 761918 + ... + 795780.

It is an arithmetic number, because the mean of its divisors is an integer number (4586946532).

Almost surely, 2^26374163687 is an apocalyptic number.

26374163687 is a deficient number, since it is larger than the sum of its proper divisors (1147515505).

26374163687 is an frugal number, since it uses more digits than its factorization.

26374163687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67749 (or 33886 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The spelling of 26374163687 in words is "twenty-six billion, three hundred seventy-four million, one hundred sixty-three thousand, six hundred eighty-seven".