4908506778 has 48 divisors (see below), whose sum is σ = 12794109120. Its totient is φ = 1328617728.

The previous prime is 4908506761. The next prime is 4908506783. The reversal of 4908506778 is 8776058094.

4908506778 is a `hidden beast` number, since 490 + 85 + 0 + 6 + 7 + 78 = 666.

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, 1022775 + ... + 1027562.

It is an arithmetic number, because the mean of its divisors is an integer number (266543940).

Almost surely, 2^4908506778 is an apocalyptic number.

4908506778 is an abundant number, since it is smaller than the sum of its proper divisors (7885602342).

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

4908506778 is a wasteful number, since it uses less digits than its factorization.

4908506778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050371 (or 2050368 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 4908506778 is about 70060.7363506836. The cubic root of 4908506778 is about 1699.4815925644.

The spelling of 4908506778 in words is "four billion, nine hundred eight million, five hundred six thousand, seven hundred seventy-eight".