4779665880 has 128 divisors (see below), whose sum is σ = 16322757120. Its totient is φ = 1108321280.

The previous prime is 4779665861. The next prime is 4779665887. The reversal of 4779665880 is 885669774.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779665887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48357 + ... + 109076.

It is an arithmetic number, because the mean of its divisors is an integer number (127521540).

Almost surely, 2^4779665880 is an apocalyptic number.

4779665880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4779665880 is an abundant number, since it is smaller than the sum of its proper divisors (11543091240).

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

4779665880 is a wasteful number, since it uses less digits than its factorization.

4779665880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157481 (or 157477 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The square root of 4779665880 is about 69135.1276848463. The cubic root of 4779665880 is about 1684.4799505744.

The spelling of 4779665880 in words is "four billion, seven hundred seventy-nine million, six hundred sixty-five thousand, eight hundred eighty".