27738181950 has 48 divisors (see below), whose sum is σ = 69147191856. Its totient is φ = 7358515200.

The previous prime is 27738181847. The next prime is 27738181967. The reversal of 27738181950 is 5918183772.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27738181893 and 27738181902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450121 + ... + 508020.

It is an arithmetic number, because the mean of its divisors is an integer number (1440566497).

Almost surely, 2^27738181950 is an apocalyptic number.

27738181950 is an abundant number, since it is smaller than the sum of its proper divisors (41409009906).

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

27738181950 is a wasteful number, since it uses less digits than its factorization.

27738181950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958349 (or 958344 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 27738181950 in words is "twenty-seven billion, seven hundred thirty-eight million, one hundred eighty-one thousand, nine hundred fifty".