4028979637 has 12 divisors (see below), whose sum is σ = 4124351520. Its totient is φ = 3935765336.

The previous prime is 4028979613. The next prime is 4028979653. The reversal of 4028979637 is 7369798204.

4028979637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4028979637 - 2¹⁹ = 4028455349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028979037) 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, 1427814 + ... + 1430632.

It is an arithmetic number, because the mean of its divisors is an integer number (343695960).

Almost surely, 2^4028979637 is an apocalyptic number.

4028979637 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4028979637 is a deficient number, since it is larger than the sum of its proper divisors (95371883).

4028979637 is an equidigital number, since it uses as much as digits as its factorization.

4028979637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The square root of 4028979637 is about 63474.2438867924. The cubic root of 4028979637 is about 1591.2253567250.

The spelling of 4028979637 in words is "four billion, twenty-eight million, nine hundred seventy-nine thousand, six hundred thirty-seven".