845299997 has 8 divisors (see below), whose sum is σ = 861447840. Its totient is φ = 829226160.

The previous prime is 845299957. The next prime is 845299999. The reversal of 845299997 is 799992548.

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 845299997 - 2¹² = 845295901 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 (845299999) 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, 4838 + ... + 41400.

It is an arithmetic number, because the mean of its divisors is an integer number (107680980).

Almost surely, 2^845299997 is an apocalyptic number.

It is an amenable number.

845299997 is a deficient number, since it is larger than the sum of its proper divisors (16147843).

845299997 is a wasteful number, since it uses less digits than its factorization.

845299997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37003.

The product of its digits is 14696640, while the sum is 62.

The square root of 845299997 is about 29074.0433548552. The cubic root of 845299997 is about 945.5190627500.

The spelling of 845299997 in words is "eight hundred forty-five million, two hundred ninety-nine thousand, nine hundred ninety-seven".