2011382777 has 8 divisors (see below), whose sum is σ = 2045345280. Its totient is φ = 1977702480.

The previous prime is 2011382773. The next prime is 2011382801. The reversal of 2011382777 is 7772831102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011382777 - 2² = 2011382773 is a prime.

It is a super-2 number, since 2×2011382777² = 8091321351224463458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011382777.

It is not an unprimeable number, because it can be changed into a prime (2011382771) 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, 56153 + ... + 84710.

It is an arithmetic number, because the mean of its divisors is an integer number (255668160).

Almost surely, 2^2011382777 is an apocalyptic number.

It is an amenable number.

2011382777 is a deficient number, since it is larger than the sum of its proper divisors (33962503).

2011382777 is a wasteful number, since it uses less digits than its factorization.

2011382777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141103.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 2011382777 is about 44848.4423029385. The cubic root of 2011382777 is about 1262.3067629877.

The spelling of 2011382777 in words is "two billion, eleven million, three hundred eighty-two thousand, seven hundred seventy-seven".