1027781925568 has 56 divisors (see below), whose sum is σ = 2109264768000. Its totient is φ = 496590451968.

The previous prime is 1027781925557. The next prime is 1027781925607. The reversal of 1027781925568 is 8655291877201.

1027781925568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924918 + ... + 2400181.

Almost surely, 2^{1027781925568} is an apocalyptic number.

It is an amenable number.

1027781925568 is an abundant number, since it is smaller than the sum of its proper divisors (1081482842432).

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

1027781925568 is an equidigital number, since it uses as much as digits as its factorization.

1027781925568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325237 (or 4325227 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 1027781925568 in words is "one trillion, twenty-seven billion, seven hundred eighty-one million, nine hundred twenty-five thousand, five hundred sixty-eight".