328120763 has 4 divisors (see below), whose sum is σ = 328244160. Its totient is φ = 327997368.

The previous prime is 328120753. The next prime is 328120781. The reversal of 328120763 is 367021823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328120763 - 2¹² = 328116667 is a prime.

It is a super-2 number, since 2×328120763² = 215326470223404338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328120753) 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, 57620 + ... + 63057.

It is an arithmetic number, because the mean of its divisors is an integer number (82061040).

Almost surely, 2^328120763 is an apocalyptic number.

328120763 is a deficient number, since it is larger than the sum of its proper divisors (123397).

328120763 is a wasteful number, since it uses less digits than its factorization.

328120763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123396.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 328120763 is about 18114.1039800483. The cubic root of 328120763 is about 689.7280753049.

The spelling of 328120763 in words is "three hundred twenty-eight million, one hundred twenty thousand, seven hundred sixty-three".