27372666100 has 36 divisors (see below), whose sum is σ = 63967818124. Its totient is φ = 10106830080.

The previous prime is 27372666077. The next prime is 27372666107. The reversal of 27372666100 is 166627372.

It can be written as a sum of positive squares in 6 ways, for example, as 11439158116 + 15933507984 = 106954^2 + 126228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27372666107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10526649 + ... + 10529248.

Almost surely, 2^27372666100 is an apocalyptic number.

27372666100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27372666100 is an abundant number, since it is smaller than the sum of its proper divisors (36595152024).

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

27372666100 is a wasteful number, since it uses less digits than its factorization.

27372666100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055924 (or 21055917 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 27372666100 in words is "twenty-seven billion, three hundred seventy-two million, six hundred sixty-six thousand, one hundred".