4991877 has 12 divisors (see below), whose sum is σ = 7866144. Its totient is φ = 3025320.

The previous prime is 4991867. The next prime is 4991879. The reversal of 4991877 is 7781994.

It is not a de Polignac number, because 4991877 - 2¹⁴ = 4975493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991879) 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, 25113 + ... + 25310.

It is an arithmetic number, because the mean of its divisors is an integer number (655512).

Almost surely, 2^4991877 is an apocalyptic number.

It is an amenable number.

4991877 is a deficient number, since it is larger than the sum of its proper divisors (2874267).

4991877 is a wasteful number, since it uses less digits than its factorization.

4991877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440 (or 50437 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 4991877 is about 2234.2508811680. The cubic root of 4991877 is about 170.9049435785.

The spelling of 4991877 in words is "four million, nine hundred ninety-one thousand, eight hundred seventy-seven".