4971786555 has 16 divisors (see below), whose sum is σ = 8008250400. Its totient is φ = 2633822208.

The previous prime is 4971786511. The next prime is 4971786557. The reversal of 4971786555 is 5556871794.

It is not a de Polignac number, because 4971786555 - 2⁷ = 4971786427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4971786495 and 4971786504.

It is not an unprimeable number, because it can be changed into a prime (4971786557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110022 + ... + 1114491.

It is an arithmetic number, because the mean of its divisors is an integer number (500515650).

Almost surely, 2^4971786555 is an apocalyptic number.

4971786555 is a deficient number, since it is larger than the sum of its proper divisors (3036463845).

4971786555 is a wasteful number, since it uses less digits than its factorization.

4971786555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224670.

The product of its digits is 10584000, while the sum is 57.

The square root of 4971786555 is about 70510.8967110758. The cubic root of 4971786555 is about 1706.7535906494.

The spelling of 4971786555 in words is "four billion, nine hundred seventy-one million, seven hundred eighty-six thousand, five hundred fifty-five".