4999998771 has 12 divisors (see below), whose sum is σ = 7263969648. Its totient is φ = 3314063664.

The previous prime is 4999998769. The next prime is 4999998793. The reversal of 4999998771 is 1778999994.

It is not a de Polignac number, because 4999998771 - 2¹ = 4999998769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4999998771.

It is not an unprimeable number, because it can be changed into a prime (4999998701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1604095 + ... + 1607208.

It is an arithmetic number, because the mean of its divisors is an integer number (605330804).

Almost surely, 2^4999998771 is an apocalyptic number.

4999998771 is a deficient number, since it is larger than the sum of its proper divisors (2263970877).

4999998771 is a wasteful number, since it uses less digits than its factorization.

4999998771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211482 (or 3211479 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 72.

The square root of 4999998771 is about 70710.6694283119. The cubic root of 4999998771 is about 1709.9758065727.

The spelling of 4999998771 in words is "four billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, seven hundred seventy-one".