328253156690977 has 4 divisors (see below), whose sum is σ = 375146464789696. Its totient is φ = 281359848592260.

The previous prime is 328253156690933. The next prime is 328253156691059. The reversal of 328253156690977 is 779096651352823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328253156690977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328253156699977) 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, 23446654049349 + ... + 23446654049362.

It is an arithmetic number, because the mean of its divisors is an integer number (93786616197424).

Almost surely, 2^{328253156690977} is an apocalyptic number.

It is an amenable number.

328253156690977 is a deficient number, since it is larger than the sum of its proper divisors (46893308098719).

328253156690977 is an equidigital number, since it uses as much as digits as its factorization.

328253156690977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46893308098718.

The product of its (nonzero) digits is 1028764800, while the sum is 73.

The spelling of 328253156690977 in words is "three hundred twenty-eight trillion, two hundred fifty-three billion, one hundred fifty-six million, six hundred ninety thousand, nine hundred seventy-seven".