27796346949 has 16 divisors (see below), whose sum is σ = 42484313600. Its totient is φ = 15835636080.

The previous prime is 27796346911. The next prime is 27796346957. The reversal of 27796346949 is 94964369772.

It is not a de Polignac number, because 27796346949 - 2⁷ = 27796346821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27796346949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27796346999) 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, 1992499 + ... + 2006400.

It is an arithmetic number, because the mean of its divisors is an integer number (2655269600).

Almost surely, 2^27796346949 is an apocalyptic number.

It is an amenable number.

27796346949 is a deficient number, since it is larger than the sum of its proper divisors (14687966651).

27796346949 is a wasteful number, since it uses less digits than its factorization.

27796346949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999240.

The product of its digits is 123451776, while the sum is 66.

The spelling of 27796346949 in words is "twenty-seven billion, seven hundred ninety-six million, three hundred forty-six thousand, nine hundred forty-nine".