4892978888 has 36 divisors (see below), whose sum is σ = 10675207665. Its totient is φ = 2096397408.

The previous prime is 4892978887. The next prime is 4892978891. The reversal of 4892978888 is 8888792984.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4335168964 + 557809924 = 65842^2 + 23618^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=49462.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4892978887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1383170 + ... + 1386702.

Almost surely, 2^4892978888 is an apocalyptic number.

It is an amenable number.

4892978888 is an abundant number, since it is smaller than the sum of its proper divisors (5782228777).

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

4892978888 is an frugal number, since it uses more digits than its factorization.

4892978888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 3542 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 71.

The square root of 4892978888 is about 69949.8312220980. The cubic root of 4892978888 is about 1697.6876159230.

The spelling of 4892978888 in words is "four billion, eight hundred ninety-two million, nine hundred seventy-eight thousand, eight hundred eighty-eight".