27800357334 has 32 divisors (see below), whose sum is σ = 57480339840. Its totient is φ = 8957958912.

The previous prime is 27800357327. The next prime is 27800357339. The reversal of 27800357334 is 43375300872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800357339) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 530404 + ... + 580455.

It is an arithmetic number, because the mean of its divisors is an integer number (1796260620).

Almost surely, 2^27800357334 is an apocalyptic number.

27800357334 is an abundant number, since it is smaller than the sum of its proper divisors (29679982506).

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

27800357334 is a wasteful number, since it uses less digits than its factorization.

27800357334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111004.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 27800357334 in words is "twenty-seven billion, eight hundred million, three hundred fifty-seven thousand, three hundred thirty-four".