27698944854 has 32 divisors (see below), whose sum is σ = 63339849216. Its totient is φ = 7910487360.

The previous prime is 27698944799. The next prime is 27698944859. The reversal of 27698944854 is 45844989672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27698944859) 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, 48762 + ... + 240365.

It is an arithmetic number, because the mean of its divisors is an integer number (1979370288).

Almost surely, 2^27698944854 is an apocalyptic number.

27698944854 is an abundant number, since it is smaller than the sum of its proper divisors (35640904362).

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

27698944854 is a wasteful number, since it uses less digits than its factorization.

27698944854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291420.

The product of its digits is 139345920, while the sum is 66.

The spelling of 27698944854 in words is "twenty-seven billion, six hundred ninety-eight million, nine hundred forty-four thousand, eight hundred fifty-four".