1063804772778 has 32 divisors (see below), whose sum is σ = 2321148318912. Its totient is φ = 322348454400.

The previous prime is 1063804772749. The next prime is 1063804772803. The reversal of 1063804772778 is 8772774083601.

It is a super-2 number, since 2×1063804772778² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905050 + ... + 1716602.

It is an arithmetic number, because the mean of its divisors is an integer number (72535884966).

Almost surely, 2^{1063804772778} is an apocalyptic number.

1063804772778 is an abundant number, since it is smaller than the sum of its proper divisors (1257343546134).

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

1063804772778 is a wasteful number, since it uses less digits than its factorization.

1063804772778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831430.

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 1063804772778 in words is "one trillion, sixty-three billion, eight hundred four million, seven hundred seventy-two thousand, seven hundred seventy-eight".