27157800373 has 16 divisors (see below), whose sum is σ = 31387474944. Its totient is φ = 23223260160.

The previous prime is 27157800361. The next prime is 27157800377. The reversal of 27157800373 is 37300875172.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27157800373 is a prime.

It is a super-2 number, since 2×27157800373² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27157800377) 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, 291436 + ... + 373162.

It is an arithmetic number, because the mean of its divisors is an integer number (1961717184).

Almost surely, 2^27157800373 is an apocalyptic number.

It is an amenable number.

27157800373 is a deficient number, since it is larger than the sum of its proper divisors (4229674571).

27157800373 is a wasteful number, since it uses less digits than its factorization.

27157800373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83532.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 27157800373 in words is "twenty-seven billion, one hundred fifty-seven million, eight hundred thousand, three hundred seventy-three".