27728801210 has 64 divisors (see below), whose sum is σ = 57906334080. Its totient is φ = 9453957120.

The previous prime is 27728801209. The next prime is 27728801251. The reversal of 27728801210 is 1210882772.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134342 + ... + 271118.

It is an arithmetic number, because the mean of its divisors is an integer number (904786470).

Almost surely, 2^27728801210 is an apocalyptic number.

27728801210 is an abundant number, since it is smaller than the sum of its proper divisors (30177532870).

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

27728801210 is a wasteful number, since it uses less digits than its factorization.

27728801210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136911.

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 27728801210 in words is "twenty-seven billion, seven hundred twenty-eight million, eight hundred one thousand, two hundred ten".