328732787153 has 4 divisors (see below), whose sum is σ = 328754519460. Its totient is φ = 328711054848.

The previous prime is 328732787111. The next prime is 328732787189. The reversal of 328732787153 is 351787237823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 220104537409 + 108628249744 = 469153^2 + 329588^2 .

It is a cyclic number.

It is not a de Polignac number, because 328732787153 - 2²² = 328728592849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328732780153) 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, 10843448 + ... + 10873721.

It is an arithmetic number, because the mean of its divisors is an integer number (82188629865).

Almost surely, 2^328732787153 is an apocalyptic number.

It is an amenable number.

328732787153 is a deficient number, since it is larger than the sum of its proper divisors (21732307).

328732787153 is a wasteful number, since it uses less digits than its factorization.

328732787153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21732306.

The product of its digits is 11854080, while the sum is 56.

The spelling of 328732787153 in words is "three hundred twenty-eight billion, seven hundred thirty-two million, seven hundred eighty-seven thousand, one hundred fifty-three".