204678148875 has 64 divisors (see below), whose sum is σ = 343178529408. Its totient is φ = 108333120000.

The previous prime is 204678148867. The next prime is 204678148877. The reversal of 204678148875 is 578841876402.

It is not a de Polignac number, because 204678148875 - 2³ = 204678148867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204678148877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31098085 + ... + 31104665.

It is an arithmetic number, because the mean of its divisors is an integer number (5362164522).

Almost surely, 2^204678148875 is an apocalyptic number.

204678148875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204678148875 is a deficient number, since it is larger than the sum of its proper divisors (138500380533).

204678148875 is a wasteful number, since it uses less digits than its factorization.

204678148875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217 (or 7207 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 60.

The spelling of 204678148875 in words is "two hundred four billion, six hundred seventy-eight million, one hundred forty-eight thousand, eight hundred seventy-five".