4991879008 has 24 divisors (see below), whose sum is σ = 9831008880. Its totient is φ = 2495114880.

The previous prime is 4991879003. The next prime is 4991879017. The reversal of 4991879008 is 8009781994.

It is a super-2 number, since 2×4991879008² = 49837712061022128128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4991879008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991879003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79173 + ... + 127483.

It is an arithmetic number, because the mean of its divisors is an integer number (409625370).

Almost surely, 2^4991879008 is an apocalyptic number.

It is an amenable number.

4991879008 is a deficient number, since it is larger than the sum of its proper divisors (4839129872).

4991879008 is a wasteful number, since it uses less digits than its factorization.

4991879008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51550 (or 51542 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 4991879008 is about 70653.2306975414. The cubic root of 4991879008 is about 1709.0496649416.

The spelling of 4991879008 in words is "four billion, nine hundred ninety-one million, eight hundred seventy-nine thousand, eight".