2788977 has 8 divisors (see below), whose sum is σ = 3838720. Its totient is φ = 1799280.

The previous prime is 2788939. The next prime is 2788979. The reversal of 2788977 is 7798872.

2788977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2788977 - 2¹⁴ = 2772593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788979) 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 7 ways as a sum of consecutive naturals, for example, 14902 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (479840).

2^2788977 is an apocalyptic number.

It is an amenable number.

2788977 is a deficient number, since it is larger than the sum of its proper divisors (1049743).

2788977 is a wasteful number, since it uses less digits than its factorization.

2788977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30023.

The product of its digits is 395136, while the sum is 48.

The square root of 2788977 is about 1670.0230537331. The cubic root of 2788977 is about 140.7607733625.

It can be divided in two parts, 27889 and 77, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 2788977 in words is "two million, seven hundred eighty-eight thousand, nine hundred seventy-seven".