27728775462 has 16 divisors (see below), whose sum is σ = 56637499392. Its totient is φ = 9046267080.

The previous prime is 27728775461. The next prime is 27728775523. The reversal of 27728775462 is 26457782772.

It is a super-3 number, since 3×27728775462³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728775461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49164214 + ... + 49164777.

It is an arithmetic number, because the mean of its divisors is an integer number (3539843712).

Almost surely, 2^27728775462 is an apocalyptic number.

27728775462 is an abundant number, since it is smaller than the sum of its proper divisors (28908723930).

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

27728775462 is a wasteful number, since it uses less digits than its factorization.

27728775462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98329043.

The product of its digits is 18439680, while the sum is 57.

The spelling of 27728775462 in words is "twenty-seven billion, seven hundred twenty-eight million, seven hundred seventy-five thousand, four hundred sixty-two".