27790308850 has 48 divisors (see below), whose sum is σ = 55763303688. Its totient is φ = 10264816640.

The previous prime is 27790308823. The next prime is 27790308859. The reversal of 27790308850 is 5880309772.

It can be written as a sum of positive squares in 12 ways, for example, as 7844113489 + 19946195361 = 88567^2 + 141231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27790308794 and 27790308803.

It is not an unprimeable number, because it can be changed into a prime (27790308859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263389 + ... + 353488.

Almost surely, 2^27790308850 is an apocalyptic number.

27790308850 is an abundant number, since it is smaller than the sum of its proper divisors (27972994838).

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

27790308850 is a wasteful number, since it uses less digits than its factorization.

27790308850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616959 (or 616954 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 27790308850 in words is "twenty-seven billion, seven hundred ninety million, three hundred eight thousand, eight hundred fifty".