27773532460 has 12 divisors (see below), whose sum is σ = 58324418208. Its totient is φ = 11109412976.

The previous prime is 27773532427. The next prime is 27773532463. The reversal of 27773532460 is 6423537772.

It is a self number, because there is not a number n which added to its sum of digits gives 27773532460.

It is not an unprimeable number, because it can be changed into a prime (27773532463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694338292 + ... + 694338331.

It is an arithmetic number, because the mean of its divisors is an integer number (4860368184).

Almost surely, 2^27773532460 is an apocalyptic number.

27773532460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27773532460 is an abundant number, since it is smaller than the sum of its proper divisors (30550885748).

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

27773532460 is a wasteful number, since it uses less digits than its factorization.

27773532460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388676632 (or 1388676630 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 46.

The spelling of 27773532460 in words is "twenty-seven billion, seven hundred seventy-three million, five hundred thirty-two thousand, four hundred sixty".