27786772747950 has 48 divisors (see below), whose sum is σ = 69881776672896. Its totient is φ = 7305442597600.

The previous prime is 27786772747927. The next prime is 27786772748011. The reversal of 27786772747950 is 5974727768772.

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, 1304532672 + ... + 1304553971.

It is an arithmetic number, because the mean of its divisors is an integer number (1455870347352).

Almost surely, 2^{27786772747950} is an apocalyptic number.

27786772747950 is an abundant number, since it is smaller than the sum of its proper divisors (42095003924946).

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

27786772747950 is a wasteful number, since it uses less digits than its factorization.

27786772747950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609086729 (or 2609086724 counting only the distinct ones).

The product of its (nonzero) digits is 4065949440, while the sum is 78.

The spelling of 27786772747950 in words is "twenty-seven trillion, seven hundred eighty-six billion, seven hundred seventy-two million, seven hundred forty-seven thousand, nine hundred fifty".