27373751356 has 48 divisors (see below), whose sum is σ = 58048413696. Its totient is φ = 11026185984.

The previous prime is 27373751267. The next prime is 27373751371. The reversal of 27373751356 is 65315737372.

It is a super-2 number, since 2×27373751356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 306501 + ... + 385603.

It is an arithmetic number, because the mean of its divisors is an integer number (1209341952).

Almost surely, 2^27373751356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27373751356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29024206848).

27373751356 is an abundant number, since it is smaller than the sum of its proper divisors (30674662340).

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

27373751356 is a wasteful number, since it uses less digits than its factorization.

27373751356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79858 (or 79856 counting only the distinct ones).

The product of its digits is 2778300, while the sum is 49.

The spelling of 27373751356 in words is "twenty-seven billion, three hundred seventy-three million, seven hundred fifty-one thousand, three hundred fifty-six".