27549992998 has 16 divisors (see below), whose sum is σ = 45112885776. Its totient is φ = 12514091040.

The previous prime is 27549992993. The next prime is 27549993001. The reversal of 27549992998 is 89929994572.

It is a super-2 number, since 2×27549992998² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27549992998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27549992993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398961 + ... + 462892.

It is an arithmetic number, because the mean of its divisors is an integer number (2819555361).

Almost surely, 2^27549992998 is an apocalyptic number.

27549992998 is a deficient number, since it is larger than the sum of its proper divisors (17562892778).

27549992998 is a wasteful number, since it uses less digits than its factorization.

27549992998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863319.

The product of its digits is 264539520, while the sum is 73.

The spelling of 27549992998 in words is "twenty-seven billion, five hundred forty-nine million, nine hundred ninety-two thousand, nine hundred ninety-eight".