4977809460 has 72 divisors (see below), whose sum is σ = 16260851880. Its totient is φ = 1225306368.

The previous prime is 4977809401. The next prime is 4977809471. The reversal of 4977809460 is 649087794.

It is a happy number.

4977809460 is a `hidden beast` number, since 497 + 7 + 8 + 0 + 94 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 495774756 + 4482034704 = 22266^2 + 66948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4977809397 and 4977809406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061295 + ... + 1065974.

It is an arithmetic number, because the mean of its divisors is an integer number (225845165).

Almost surely, 2^4977809460 is an apocalyptic number.

It is an amenable number.

4977809460 is an abundant number, since it is smaller than the sum of its proper divisors (11283042420).

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

4977809460 is a wasteful number, since it uses less digits than its factorization.

4977809460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127297 (or 2127292 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 4977809460 is about 70553.5928213440. The cubic root of 4977809460 is about 1707.4425091060.

The spelling of 4977809460 in words is "four billion, nine hundred seventy-seven million, eight hundred nine thousand, four hundred sixty".