4978877 has 4 divisors (see below), whose sum is σ = 4990560. Its totient is φ = 4967196.

The previous prime is 4978871. The next prime is 4978889. The reversal of 4978877 is 7788794.

4978877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4978877 - 2¹⁰ = 4977853 is a prime.

It is a super-2 number, since 2×4978877² = 49578432362258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5177 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (1247640).

Almost surely, 2^4978877 is an apocalyptic number.

It is an amenable number.

4978877 is a deficient number, since it is larger than the sum of its proper divisors (11683).

4978877 is a wasteful number, since it uses less digits than its factorization.

4978877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682.

The product of its digits is 790272, while the sum is 50.

The square root of 4978877 is about 2231.3397320892. The cubic root of 4978877 is about 170.7564559639.

The spelling of 4978877 in words is "four million, nine hundred seventy-eight thousand, eight hundred seventy-seven".