1012778827608 has 32 divisors (see below), whose sum is σ = 2531999160000. Its totient is φ = 337585997088.

The previous prime is 1012778827607. The next prime is 1012778827667. The reversal of 1012778827608 is 8067288772101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012778827603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832143 + ... + 1648641.

It is an arithmetic number, because the mean of its divisors is an integer number (79124973750).

Almost surely, 2^{1012778827608} is an apocalyptic number.

It is an amenable number.

1012778827608 is an abundant number, since it is smaller than the sum of its proper divisors (1519220332392).

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

1012778827608 is a wasteful number, since it uses less digits than its factorization.

1012778827608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868191 (or 868187 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 57.

The spelling of 1012778827608 in words is "one trillion, twelve billion, seven hundred seventy-eight million, eight hundred twenty-seven thousand, six hundred eight".