4890978988 has 48 divisors (see below), whose sum is σ = 10012875264. Its totient is φ = 2047207680.

The previous prime is 4890978979. The next prime is 4890979043. The reversal of 4890978988 is 8898790984.

It is a super-2 number, since 2×4890978988² = 47843350922115008288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201220 + ... + 224212.

It is an arithmetic number, because the mean of its divisors is an integer number (208601568).

Almost surely, 2^4890978988 is an apocalyptic number.

It is an amenable number.

4890978988 is an abundant number, since it is smaller than the sum of its proper divisors (5121896276).

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

4890978988 is a wasteful number, since it uses less digits than its factorization.

4890978988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23182 (or 23180 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 70.

The square root of 4890978988 is about 69935.5345157238. The cubic root of 4890978988 is about 1697.4562866231.

The spelling of 4890978988 in words is "four billion, eight hundred ninety million, nine hundred seventy-eight thousand, nine hundred eighty-eight".