2877987 has 16 divisors (see below), whose sum is σ = 4616960. Its totient is φ = 1557792.

The previous prime is 2877983. The next prime is 2878003. The reversal of 2877987 is 7897782.

2877987 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2877987 - 2² = 2877983 is a prime.

It is a Duffinian number.

2877987 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (2877983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (288560).

2^2877987 is an apocalyptic number.

2877987 is a deficient number, since it is larger than the sum of its proper divisors (1738973).

2877987 is a wasteful number, since it uses less digits than its factorization.

2877987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242.

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

The square root of 2877987 is about 1696.4630853632. The cubic root of 2877987 is about 142.2425761840.

The spelling of 2877987 in words is "two million, eight hundred seventy-seven thousand, nine hundred eighty-seven".