4279777980 has 48 divisors (see below), whose sum is σ = 11989902624. Its totient is φ = 1140652800.

The previous prime is 4279777913. The next prime is 4279777993. The reversal of 4279777980 is 897779724.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97530 + ... + 134430.

It is an arithmetic number, because the mean of its divisors is an integer number (249789638).

Almost surely, 2^4279777980 is an apocalyptic number.

It is an amenable number.

4279777980 is an abundant number, since it is smaller than the sum of its proper divisors (7710124644).

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

4279777980 is a wasteful number, since it uses less digits than its factorization.

4279777980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38846 (or 38844 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 60.

The square root of 4279777980 is about 65420.0120758167. The cubic root of 4279777980 is about 1623.5802011135.

The spelling of 4279777980 in words is "four billion, two hundred seventy-nine million, seven hundred seventy-seven thousand, nine hundred eighty".