2797977 has 32 divisors (see below), whose sum is σ = 4732672. Its totient is φ = 1430784.

The previous prime is 2797961. The next prime is 2797999. The reversal of 2797977 is 7797972.

It is a happy number.

2797977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2797977 - 2⁴ = 2797961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2797477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9963 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (147896).

2^2797977 is an apocalyptic number.

It is an amenable number.

2797977 is a deficient number, since it is larger than the sum of its proper divisors (1934695).

2797977 is a wasteful number, since it uses less digits than its factorization.

2797977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its digits is 388962, while the sum is 48.

The square root of 2797977 is about 1672.7154569741. The cubic root of 2797977 is about 140.9120219742.

It can be divided in two parts, 279 and 7977, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 2797977 in words is "two million, seven hundred ninety-seven thousand, nine hundred seventy-seven".