1027842786 has 12 divisors (see below), whose sum is σ = 2226992742. Its totient is φ = 342614256.

The previous prime is 1027842773. The next prime is 1027842787. The reversal of 1027842786 is 6872487201.

1027842786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 678863025 + 348979761 = 26055^2 + 18681^2 .

It is not an unprimeable number, because it can be changed into a prime (1027842787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28551171 + ... + 28551206.

Almost surely, 2^1027842786 is an apocalyptic number.

1027842786 is an abundant number, since it is smaller than the sum of its proper divisors (1199149956).

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

1027842786 is a wasteful number, since it uses less digits than its factorization.

1027842786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57102385 (or 57102382 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1027842786 is about 32059.9873050505. The cubic root of 1027842786 is about 1009.1961011574.

It can be divided in two parts, 102784 and 2786, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 1027842786 in words is "one billion, twenty-seven million, eight hundred forty-two thousand, seven hundred eighty-six".