328750667 has 4 divisors (see below), whose sum is σ = 375715056. Its totient is φ = 281786280.

The previous prime is 328750663. The next prime is 328750687. The reversal of 328750667 is 766057823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766057823 = 29 ⋅26415787.

It is a cyclic number.

It is not a de Polignac number, because 328750667 - 2² = 328750663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328750663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23482184 + ... + 23482197.

It is an arithmetic number, because the mean of its divisors is an integer number (93928764).

Almost surely, 2^328750667 is an apocalyptic number.

328750667 is a deficient number, since it is larger than the sum of its proper divisors (46964389).

328750667 is an equidigital number, since it uses as much as digits as its factorization.

328750667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46964388.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 328750667 is about 18131.4827578993. The cubic root of 328750667 is about 690.1691575745.

The spelling of 328750667 in words is "three hundred twenty-eight million, seven hundred fifty thousand, six hundred sixty-seven".