4857891052 has 12 divisors (see below), whose sum is σ = 9715782160. Its totient is φ = 2081953296.

The previous prime is 4857891041. The next prime is 4857891091. The reversal of 4857891052 is 2501987584.

It is a happy number.

4857891052 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4857890987 and 4857891005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86748027 + ... + 86748082.

Almost surely, 2^4857891052 is an apocalyptic number.

It is an amenable number.

4857891052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4857891052 is a wasteful number, since it uses less digits than its factorization.

4857891052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173496120 (or 173496118 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 4857891052 is about 69698.5728117872. The cubic root of 4857891052 is about 1693.6198046790.

The spelling of 4857891052 in words is "four billion, eight hundred fifty-seven million, eight hundred ninety-one thousand, fifty-two".