2011977 has 12 divisors (see below), whose sum is σ = 3170544. Its totient is φ = 1219320.

The previous prime is 2011973. The next prime is 2011987. The reversal of 2011977 is 7791102.

It is not a de Polignac number, because 2011977 - 2² = 2011973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011977.

It is not an unprimeable number, because it can be changed into a prime (2011973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10063 + ... + 10260.

It is an arithmetic number, because the mean of its divisors is an integer number (264212).

2^2011977 is an apocalyptic number.

It is an amenable number.

2011977 is a deficient number, since it is larger than the sum of its proper divisors (1158567).

2011977 is a wasteful number, since it uses less digits than its factorization.

2011977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340 (or 20337 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 2011977 is about 1418.4417506546. The cubic root of 2011977 is about 126.2431058550.

The spelling of 2011977 in words is "two million, eleven thousand, nine hundred seventy-seven".