325681497977 has 4 divisors (see below), whose sum is σ = 355288906896. Its totient is φ = 296074089060.

The previous prime is 325681497961. The next prime is 325681497983. The reversal of 325681497977 is 779794186523.

It is a happy number.

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 not a de Polignac number, because 325681497977 - 2⁴ = 325681497961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (325681497937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14803704443 + ... + 14803704464.

It is an arithmetic number, because the mean of its divisors is an integer number (88822226724).

Almost surely, 2^325681497977 is an apocalyptic number.

It is an amenable number.

325681497977 is a deficient number, since it is larger than the sum of its proper divisors (29607408919).

325681497977 is a wasteful number, since it uses less digits than its factorization.

325681497977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29607408918.

The product of its digits is 160030080, while the sum is 68.

The spelling of 325681497977 in words is "three hundred twenty-five billion, six hundred eighty-one million, four hundred ninety-seven thousand, nine hundred seventy-seven".