2077783566 has 16 divisors (see below), whose sum is σ = 4194405504. Its totient is φ = 686121464.

The previous prime is 2077783559. The next prime is 2077783573. The reversal of 2077783566 is 6653877702.

It is an interprime number because it is at equal distance from previous prime (2077783559) and next prime (2077783573).

It is a congruent number.

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, 1617570 + ... + 1618853.

It is an arithmetic number, because the mean of its divisors is an integer number (262150344).

Almost surely, 2^2077783566 is an apocalyptic number.

2077783566 is an abundant number, since it is smaller than the sum of its proper divisors (2116621938).

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

2077783566 is a wasteful number, since it uses less digits than its factorization.

2077783566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236535.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The square root of 2077783566 is about 45582.7112620564. The cubic root of 2077783566 is about 1276.0472883848.

The spelling of 2077783566 in words is "two billion, seventy-seven million, seven hundred eighty-three thousand, five hundred sixty-six".