4871780928 has 84 divisors (see below), whose sum is σ = 15958962240. Its totient is φ = 1391936256.

The previous prime is 4871780909. The next prime is 4871780993. The reversal of 4871780928 is 8290871784.

It is a happy number.

4871780928 is a `hidden beast` number, since 487 + 1 + 78 + 0 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600108 + ... + 608171.

Almost surely, 2^4871780928 is an apocalyptic number.

4871780928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4871780928 is an abundant number, since it is smaller than the sum of its proper divisors (11087181312).

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

4871780928 is a wasteful number, since it uses less digits than its factorization.

4871780928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208304 (or 1208291 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The square root of 4871780928 is about 69798.1441587095. The cubic root of 4871780928 is about 1695.2324238148.

The spelling of 4871780928 in words is "four billion, eight hundred seventy-one million, seven hundred eighty thousand, nine hundred twenty-eight".