27726750516 has 96 divisors (see below), whose sum is σ = 68767211520. Its totient is φ = 8676105856.

The previous prime is 27726750511. The next prime is 27726750529. The reversal of 27726750516 is 61505762772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726750511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14052106 + ... + 14054078.

It is an arithmetic number, because the mean of its divisors is an integer number (716325120).

Almost surely, 2^27726750516 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 27726750516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34383605760).

27726750516 is an abundant number, since it is smaller than the sum of its proper divisors (41040461004).

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

27726750516 is a wasteful number, since it uses less digits than its factorization.

27726750516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 27726750516 in words is "twenty-seven billion, seven hundred twenty-six million, seven hundred fifty thousand, five hundred sixteen".