4978655271 has 12 divisors (see below), whose sum is σ = 7265530272. Its totient is φ = 3284885376.

The previous prime is 4978655263. The next prime is 4978655293. The reversal of 4978655271 is 1725568794.

4978655271 is a `hidden beast` number, since 4 + 9 + 7 + 86 + 552 + 7 + 1 = 666.

It is not a de Polignac number, because 4978655271 - 2³ = 4978655263 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978655251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850591 + ... + 2852336.

It is an arithmetic number, because the mean of its divisors is an integer number (605460856).

Almost surely, 2^4978655271 is an apocalyptic number.

4978655271 is a deficient number, since it is larger than the sum of its proper divisors (2286875001).

4978655271 is a wasteful number, since it uses less digits than its factorization.

4978655271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703030 (or 5703027 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 4978655271 is about 70559.5866697078. The cubic root of 4978655271 is about 1707.5392110710.

The spelling of 4978655271 in words is "four billion, nine hundred seventy-eight million, six hundred fifty-five thousand, two hundred seventy-one".