48782231689 has 9 divisors (see below), whose sum is σ = 50010345511. Its totient is φ = 47583586480.

The previous prime is 48782231683. The next prime is 48782231713. The reversal of 48782231689 is 98613228784.

It is a happy number.

The square root of 48782231689 is 220867.

It is a perfect power (a square), and thus also a powerful number.

48782231689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2350601289 + 46431630400 = 48483^2 + 215480^2 .

It is not a de Polignac number, because 48782231689 - 2⁵ = 48782231657 is a prime.

It is a super-2 number, since 2×48782231689² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48782231683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9052854 + ... + 9058240.

Almost surely, 2^48782231689 is an apocalyptic number.

48782231689 is the 220867-th square number.

48782231689 is the 110434-th centered octagonal number.

It is an amenable number.

48782231689 is a deficient number, since it is larger than the sum of its proper divisors (1228113822).

48782231689 is an frugal number, since it uses more digits than its factorization.

48782231689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856 (or 5428 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The spelling of 48782231689 in words is "forty-eight billion, seven hundred eighty-two million, two hundred thirty-one thousand, six hundred eighty-nine".