304545487897 has 16 divisors (see below), whose sum is σ = 349312694400. Its totient is φ = 260095006080.

The previous prime is 304545487849. The next prime is 304545487931. The reversal of 304545487897 is 798784545403.

It is a de Polignac number, because none of the positive numbers 2^k-304545487897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304545487297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320254 + ... + 2447992.

It is an arithmetic number, because the mean of its divisors is an integer number (21832043400).

Almost surely, 2^304545487897 is an apocalyptic number.

It is an amenable number.

304545487897 is a deficient number, since it is larger than the sum of its proper divisors (44767206503).

304545487897 is a wasteful number, since it uses less digits than its factorization.

304545487897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128976.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 304545487897 in words is "three hundred four billion, five hundred forty-five million, four hundred eighty-seven thousand, eight hundred ninety-seven".