2077911855 has 24 divisors (see below), whose sum is σ = 3662764560. Its totient is φ = 1089434880.

The previous prime is 2077911827. The next prime is 2077911907. The reversal of 2077911855 is 5581197702.

It is not a de Polignac number, because 2077911855 - 2⁶ = 2077911791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2077911855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388666 + ... + 393975.

It is an arithmetic number, because the mean of its divisors is an integer number (152615190).

Almost surely, 2^2077911855 is an apocalyptic number.

2077911855 is a deficient number, since it is larger than the sum of its proper divisors (1584852705).

2077911855 is a wasteful number, since it uses less digits than its factorization.

2077911855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782711 (or 782708 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 2077911855 is about 45584.1184514958. The cubic root of 2077911855 is about 1276.0735502574.

The spelling of 2077911855 in words is "two billion, seventy-seven million, nine hundred eleven thousand, eight hundred fifty-five".