845237012697 has 216 divisors, whose sum is σ = 1696310004480. Its totient is φ = 402540969600.

The previous prime is 845237012689. The next prime is 845237012713. The reversal of 845237012697 is 796210732548.

It is a happy number.

845237012697 is a `hidden beast` number, since 8 + 4 + 5 + 2 + 370 + 1 + 269 + 7 = 666.

It is not a de Polignac number, because 845237012697 - 2³ = 845237012689 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (845237012677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 31416183 + ... + 31443075.

It is a 1-persistent number, because it is pandigital, but 2⋅845237012697 = 1690474025394 is not.

Almost surely, 2^845237012697 is an apocalyptic number.

It is an amenable number.

845237012697 is an abundant number, since it is smaller than the sum of its proper divisors (851072991783).

845237012697 is a wasteful number, since it uses less digits than its factorization.

845237012697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985 (or 26964 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 845237012697 in words is "eight hundred forty-five billion, two hundred thirty-seven million, twelve thousand, six hundred ninety-seven".