26930107687 has 16 divisors (see below), whose sum is σ = 31878100800. Its totient is φ = 22259301120.

The previous prime is 26930107679. The next prime is 26930107717. The reversal of 26930107687 is 78670103962.

It is a happy number.

It is not a de Polignac number, because 26930107687 - 2³ = 26930107679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26930107687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26930107487) 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, 82237 + ... + 246217.

It is an arithmetic number, because the mean of its divisors is an integer number (1992381300).

Almost surely, 2^26930107687 is an apocalyptic number.

26930107687 is a deficient number, since it is larger than the sum of its proper divisors (4947993113).

26930107687 is a wasteful number, since it uses less digits than its factorization.

26930107687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164826.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 26930107687 in words is "twenty-six billion, nine hundred thirty million, one hundred seven thousand, six hundred eighty-seven".