2328921278 has 36 divisors (see below), whose sum is σ = 3660685800. Its totient is φ = 1111191840.

The previous prime is 2328921271. The next prime is 2328921289. The reversal of 2328921278 is 8721298232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328921271) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11703023 + ... + 11703221.

Almost surely, 2^2328921278 is an apocalyptic number.

2328921278 is a deficient number, since it is larger than the sum of its proper divisors (1331764522).

2328921278 is an equidigital number, since it uses as much as digits as its factorization.

2328921278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 301 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 2328921278 is about 48258.8984333459. The cubic root of 2328921278 is about 1325.5158837018.

The spelling of 2328921278 in words is "two billion, three hundred twenty-eight million, nine hundred twenty-one thousand, two hundred seventy-eight".