3998289077 has 8 divisors (see below), whose sum is σ = 4144542720. Its totient is φ = 3853115280.

The previous prime is 3998289067. The next prime is 3998289089. The reversal of 3998289077 is 7709828993.

3998289077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3998289077 - 2¹⁴ = 3998272693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998289067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262418 + ... + 277235.

It is an arithmetic number, because the mean of its divisors is an integer number (518067840).

Almost surely, 2^3998289077 is an apocalyptic number.

It is an amenable number.

3998289077 is a deficient number, since it is larger than the sum of its proper divisors (146253643).

3998289077 is a wasteful number, since it uses less digits than its factorization.

3998289077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539923.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The square root of 3998289077 is about 63232.0257227301. The cubic root of 3998289077 is about 1587.1746929441.

The spelling of 3998289077 in words is "three billion, nine hundred ninety-eight million, two hundred eighty-nine thousand, seventy-seven".