747698889 has 48 divisors (see below), whose sum is σ = 1222926336. Its totient is φ = 404560800.

The previous prime is 747698869. The next prime is 747698891. The reversal of 747698889 is 988896747.

747698889 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 747698889 - 2¹¹ = 747696841 is a prime.

It is a super-2 number, since 2×747698889² = 1118107257223668642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747698869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212434 + ... + 215924.

It is an arithmetic number, because the mean of its divisors is an integer number (25477632).

Almost surely, 2^747698889 is an apocalyptic number.

It is an amenable number.

747698889 is a deficient number, since it is larger than the sum of its proper divisors (475227447).

747698889 is a wasteful number, since it uses less digits than its factorization.

747698889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3579 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 66.

The square root of 747698889 is about 27344.0832539692. The cubic root of 747698889 is about 907.6301453340.

The spelling of 747698889 in words is "seven hundred forty-seven million, six hundred ninety-eight thousand, eight hundred eighty-nine".