305085162997 has 8 divisors (see below), whose sum is σ = 306078841376. Its totient is φ = 304092425232.

The previous prime is 305085162989. The next prime is 305085163021. The reversal of 305085162997 is 799261580503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305085162997 - 2³ = 305085162989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305085162947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417538 + ... + 885724.

It is an arithmetic number, because the mean of its divisors is an integer number (38259855172).

Almost surely, 2^305085162997 is an apocalyptic number.

It is an amenable number.

305085162997 is a deficient number, since it is larger than the sum of its proper divisors (993678379).

305085162997 is a wasteful number, since it uses less digits than its factorization.

305085162997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470307.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 305085162997 in words is "three hundred five billion, eighty-five million, one hundred sixty-two thousand, nine hundred ninety-seven".