4478780487 has 16 divisors (see below), whose sum is σ = 5990140640. Its totient is φ = 2976652800.

The previous prime is 4478780443. The next prime is 4478780489. The reversal of 4478780487 is 7840878744.

It is not a de Polignac number, because 4478780487 - 2¹² = 4478776391 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 (4478780489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142939 + ... + 2145027.

It is an arithmetic number, because the mean of its divisors is an integer number (374383790).

Almost surely, 2^4478780487 is an apocalyptic number.

4478780487 is a deficient number, since it is larger than the sum of its proper divisors (1511360153).

4478780487 is a wasteful number, since it uses less digits than its factorization.

4478780487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 11239424, while the sum is 57.

The square root of 4478780487 is about 66923.6915225094. The cubic root of 4478780487 is about 1648.3645241760.

The spelling of 4478780487 in words is "four billion, four hundred seventy-eight million, seven hundred eighty thousand, four hundred eighty-seven".