4780720357 has 4 divisors (see below), whose sum is σ = 5463680416. Its totient is φ = 4097760300.

The previous prime is 4780720337. The next prime is 4780720387. The reversal of 4780720357 is 7530270874.

4780720357 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 a de Polignac number, because none of the positive numbers 2^k-4780720357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780720337) 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, 341480019 + ... + 341480032.

It is an arithmetic number, because the mean of its divisors is an integer number (1365920104).

Almost surely, 2^4780720357 is an apocalyptic number.

It is an amenable number.

4780720357 is a deficient number, since it is larger than the sum of its proper divisors (682960059).

4780720357 is an equidigital number, since it uses as much as digits as its factorization.

4780720357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682960058.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 4780720357 is about 69142.7534670120. The cubic root of 4780720357 is about 1684.6038166076.

The spelling of 4780720357 in words is "four billion, seven hundred eighty million, seven hundred twenty thousand, three hundred fifty-seven".