4890012857 has 8 divisors (see below), whose sum is σ = 5059446600. Its totient is φ = 4720633344.

The previous prime is 4890012851. The next prime is 4890012893. The reversal of 4890012857 is 7582100984.

It can be written as a sum of positive squares in 4 ways, for example, as 326199721 + 4563813136 = 18061^2 + 67556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4890012857 - 2⁶ = 4890012793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890012851) 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 7 ways as a sum of consecutive naturals, for example, 272519 + ... + 289907.

It is an arithmetic number, because the mean of its divisors is an integer number (632430825).

Almost surely, 2^4890012857 is an apocalyptic number.

It is an amenable number.

4890012857 is a deficient number, since it is larger than the sum of its proper divisors (169433743).

4890012857 is a wasteful number, since it uses less digits than its factorization.

4890012857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 4890012857 is about 69928.6268776958. The cubic root of 4890012857 is about 1697.3445112411.

The spelling of 4890012857 in words is "four billion, eight hundred ninety million, twelve thousand, eight hundred fifty-seven".