26907982506 has 24 divisors (see below), whose sum is σ = 58759693824. Its totient is φ = 8898702120.

The previous prime is 26907982471. The next prime is 26907982511. The reversal of 26907982506 is 60528970962.

26907982506 is a `hidden beast` number, since 2 + 69 + 0 + 79 + 8 + 2 + 506 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5883100 + ... + 5887671.

It is an arithmetic number, because the mean of its divisors is an integer number (2448320576).

Almost surely, 2^26907982506 is an apocalyptic number.

26907982506 is an abundant number, since it is smaller than the sum of its proper divisors (31851711318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26907982506 is a wasteful number, since it uses less digits than its factorization.

26907982506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770906 (or 11770903 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 26907982506 in words is "twenty-six billion, nine hundred seven million, nine hundred eighty-two thousand, five hundred six".