4247960857 has 16 divisors (see below), whose sum is σ = 4888479232. Its totient is φ = 3615917760.

The previous prime is 4247960813. The next prime is 4247960879. The reversal of 4247960857 is 7580697424.

It is not a de Polignac number, because 4247960857 - 2⁷ = 4247960729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4247960807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109248 + ... + 1113070.

It is an arithmetic number, because the mean of its divisors is an integer number (305529952).

Almost surely, 2^4247960857 is an apocalyptic number.

It is an amenable number.

4247960857 is a deficient number, since it is larger than the sum of its proper divisors (640518375).

4247960857 is a wasteful number, since it uses less digits than its factorization.

4247960857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 4247960857 is about 65176.3826627407. The cubic root of 4247960857 is about 1619.5467991278.

The spelling of 4247960857 in words is "four billion, two hundred forty-seven million, nine hundred sixty thousand, eight hundred fifty-seven".