275887538316 has 72 divisors (see below), whose sum is σ = 751786299264. Its totient is φ = 84802671360.

The previous prime is 275887538299. The next prime is 275887538317. The reversal of 275887538316 is 613835788572.

275887538316 is a `hidden beast` number, since 2 + 7 + 5 + 8 + 87 + 538 + 3 + 16 = 666.

It is a super-2 number, since 2×275887538316² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275887538317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166360 + ... + 761216.

Almost surely, 2^275887538316 is an apocalyptic number.

275887538316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275887538316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375893149632).

275887538316 is an abundant number, since it is smaller than the sum of its proper divisors (475898760948).

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

275887538316 is a wasteful number, since it uses less digits than its factorization.

275887538316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595871 (or 595866 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 275887538316 in words is "two hundred seventy-five billion, eight hundred eighty-seven million, five hundred thirty-eight thousand, three hundred sixteen".