4988778 has 16 divisors (see below), whose sum is σ = 10040736. Its totient is φ = 1652400.

The previous prime is 4988761. The next prime is 4988831. The reversal of 4988778 is 8778894.

4988778 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4988778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (627546).

Almost surely, 2^4988778 is an apocalyptic number.

4988778 is an abundant number, since it is smaller than the sum of its proper divisors (5051958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4988778 is a wasteful number, since it uses less digits than its factorization.

4988778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269.

The product of its digits is 903168, while the sum is 51.

The square root of 4988778 is about 2233.5572524563. The cubic root of 4988778 is about 170.8695698397.

The spelling of 4988778 in words is "four million, nine hundred eighty-eight thousand, seven hundred seventy-eight".