273787039872 has 160 divisors (see below), whose sum is σ = 819980387820. Its totient is φ = 90680518656.

The previous prime is 273787039829. The next prime is 273787039913. The reversal of 273787039872 is 278930787372.

It can be written as a sum of positive squares in 2 ways, for example, as 272258542656 + 1528497216 = 521784^2 + 39096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1543678 + ... + 1711874.

Almost surely, 2^273787039872 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 273787039872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409990193910).

273787039872 is an abundant number, since it is smaller than the sum of its proper divisors (546193347948).

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

273787039872 is a wasteful number, since it uses less digits than its factorization.

273787039872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168380 (or 168359 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 63.

The spelling of 273787039872 in words is "two hundred seventy-three billion, seven hundred eighty-seven million, thirty-nine thousand, eight hundred seventy-two".