2328729678 has 96 divisors (see below), whose sum is σ = 5624536320. Its totient is φ = 690433920.

The previous prime is 2328729671. The next prime is 2328729679. The reversal of 2328729678 is 8769278232.

2328729678 is a `hidden beast` number, since 2 + 3 + 287 + 296 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328729671) 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, 1814425 + ... + 1815707.

It is an arithmetic number, because the mean of its divisors is an integer number (58588920).

Almost surely, 2^2328729678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2328729678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812268160).

2328729678 is an abundant number, since it is smaller than the sum of its proper divisors (3295806642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2328729678 is a wasteful number, since it uses less digits than its factorization.

2328729678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1491 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 2328729678 is about 48256.9132663912. The cubic root of 2328729678 is about 1325.4795327081.

The spelling of 2328729678 in words is "two billion, three hundred twenty-eight million, seven hundred twenty-nine thousand, six hundred seventy-eight".