27398799546 has 32 divisors (see below), whose sum is σ = 55867511808. Its totient is φ = 8954836800.

The previous prime is 27398799541. The next prime is 27398799551. The reversal of 27398799546 is 64599789372.

It is an interprime number because it is at equal distance from previous prime (27398799541) and next prime (27398799551).

It is a super-2 number, since 2×27398799546² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27398799541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480871 + ... + 534821.

It is an arithmetic number, because the mean of its divisors is an integer number (1745859744).

Almost surely, 2^27398799546 is an apocalyptic number.

27398799546 is an abundant number, since it is smaller than the sum of its proper divisors (28468712262).

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

27398799546 is a wasteful number, since it uses less digits than its factorization.

27398799546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55606.

The product of its digits is 205752960, while the sum is 69.

The spelling of 27398799546 in words is "twenty-seven billion, three hundred ninety-eight million, seven hundred ninety-nine thousand, five hundred forty-six".