4877640945 has 12 divisors (see below), whose sum is σ = 8454577716. Its totient is φ = 2601408480.

The previous prime is 4877640941. The next prime is 4877640953. The reversal of 4877640945 is 5490467784.

4877640945 is a `hidden beast` number, since 487 + 76 + 4 + 0 + 94 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1831925601 + 3045715344 = 42801^2 + 55188^2 .

It is not a de Polignac number, because 4877640945 - 2² = 4877640941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4877640891 and 4877640900.

It is not an unprimeable number, because it can be changed into a prime (4877640941) 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 11 ways as a sum of consecutive naturals, for example, 54195966 + ... + 54196055.

It is an arithmetic number, because the mean of its divisors is an integer number (704548143).

Almost surely, 2^4877640945 is an apocalyptic number.

4877640945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4877640945 is a deficient number, since it is larger than the sum of its proper divisors (3576936771).

4877640945 is a wasteful number, since it uses less digits than its factorization.

4877640945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108392032 (or 108392029 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 4877640945 is about 69840.1098581610. The cubic root of 4877640945 is about 1695.9118543665.

The spelling of 4877640945 in words is "four billion, eight hundred seventy-seven million, six hundred forty thousand, nine hundred forty-five".