27825778050 has 48 divisors (see below), whose sum is σ = 78866208192. Its totient is φ = 6360177600.

The previous prime is 27825778039. The next prime is 27825778067. The reversal of 27825778050 is 5087752872.

It is a junction number, because it is equal to n+sod(n) for n = 27825777984 and 27825778002.

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, 13249321 + ... + 13251420.

It is an arithmetic number, because the mean of its divisors is an integer number (1643046004).

Almost surely, 2^27825778050 is an apocalyptic number.

27825778050 is an abundant number, since it is smaller than the sum of its proper divisors (51040430142).

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

27825778050 is a wasteful number, since it uses less digits than its factorization.

27825778050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500763 (or 26500758 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 51.

The spelling of 27825778050 in words is "twenty-seven billion, eight hundred twenty-five million, seven hundred seventy-eight thousand, fifty".