845880069 has 8 divisors (see below), whose sum is σ = 1128470112. Its totient is φ = 563605040.

The previous prime is 845880041. The next prime is 845880083. The reversal of 845880069 is 960088548.

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 845880069 - 2⁸ = 845879813 is a prime.

It is a super-2 number, since 2×845880069² = 1431026182262889522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845880029) 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, 72414 + ... + 83279.

It is an arithmetic number, because the mean of its divisors is an integer number (141058764).

Almost surely, 2^845880069 is an apocalyptic number.

It is an amenable number.

845880069 is a deficient number, since it is larger than the sum of its proper divisors (282590043).

845880069 is a wasteful number, since it uses less digits than its factorization.

845880069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157507.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 845880069 is about 29084.0174150684. The cubic root of 845880069 is about 945.7352951427.

The spelling of 845880069 in words is "eight hundred forty-five million, eight hundred eighty thousand, sixty-nine".