4908798657 has 12 divisors (see below), whose sum is σ = 8103413760. Its totient is φ = 2805027768.

The previous prime is 4908798623. The next prime is 4908798673. The reversal of 4908798657 is 7568978094.

4908798657 is a `hidden beast` number, since 490 + 8 + 7 + 98 + 6 + 57 = 666.

It is not a de Polignac number, because 4908798657 - 2²⁶ = 4841689793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 77917439 = 4908798657 / (4 + 9 + 0 + 8 + 7 + 9 + 8 + 6 + 5 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 4908798594 and 4908798603.

It is not an unprimeable number, because it can be changed into a prime (4908798607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38958657 + ... + 38958782.

It is an arithmetic number, because the mean of its divisors is an integer number (675284480).

Almost surely, 2^4908798657 is an apocalyptic number.

It is an amenable number.

4908798657 is a deficient number, since it is larger than the sum of its proper divisors (3194615103).

4908798657 is a wasteful number, since it uses less digits than its factorization.

4908798657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77917452 (or 77917449 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The square root of 4908798657 is about 70062.8193623408. The cubic root of 4908798657 is about 1699.5152778363.

The spelling of 4908798657 in words is "four billion, nine hundred eight million, seven hundred ninety-eight thousand, six hundred fifty-seven".