27765290126 has 12 divisors (see below), whose sum is σ = 48447598248. Its totient is φ = 11899410012.

The previous prime is 27765290099. The next prime is 27765290131. The reversal of 27765290126 is 62109256772.

It is a super-2 number, since 2×27765290126² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 141659546 + ... + 141659741.

It is an arithmetic number, because the mean of its divisors is an integer number (4037299854).

Almost surely, 2^27765290126 is an apocalyptic number.

27765290126 is a deficient number, since it is larger than the sum of its proper divisors (20682308122).

27765290126 is a wasteful number, since it uses less digits than its factorization.

27765290126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283319303 (or 283319296 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 27765290126 in words is "twenty-seven billion, seven hundred sixty-five million, two hundred ninety thousand, one hundred twenty-six".