27777253248 has 96 divisors (see below), whose sum is σ = 80070059160. Its totient is φ = 9243085824.

The previous prime is 27777253211. The next prime is 27777253253. The reversal of 27777253248 is 84235277772.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 27777253194 and 27777253203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655686 + ... + 696762.

Almost surely, 2^27777253248 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 27777253248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40035029580).

27777253248 is an abundant number, since it is smaller than the sum of its proper divisors (52292805912).

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

27777253248 is a wasteful number, since it uses less digits than its factorization.

27777253248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41684 (or 41669 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 54.

The spelling of 27777253248 in words is "twenty-seven billion, seven hundred seventy-seven million, two hundred fifty-three thousand, two hundred forty-eight".