4992777 has 6 divisors (see below), whose sum is σ = 7211802. Its totient is φ = 3328512.

The previous prime is 4992769. The next prime is 4992787. The reversal of 4992777 is 7772994.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4968441 + 24336 = 2229^2 + 156^2 .

It is not a de Polignac number, because 4992777 - 2³ = 4992769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4992707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277368 + ... + 277385.

It is an arithmetic number, because the mean of its divisors is an integer number (1201967).

Almost surely, 2^4992777 is an apocalyptic number.

It is an amenable number.

4992777 is a deficient number, since it is larger than the sum of its proper divisors (2219025).

4992777 is a wasteful number, since it uses less digits than its factorization.

4992777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554759 (or 554756 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 4992777 is about 2234.4522818803. The cubic root of 4992777 is about 170.9152139441.

The spelling of 4992777 in words is "four million, nine hundred ninety-two thousand, seven hundred seventy-seven".