845076864 has 64 divisors (see below), whose sum is σ = 2317178880. Its totient is φ = 272601600.

The previous prime is 845076847. The next prime is 845076899. The reversal of 845076864 is 468670548.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×845076864⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23592 + ... + 47399.

It is an arithmetic number, because the mean of its divisors is an integer number (36205920).

Almost surely, 2^845076864 is an apocalyptic number.

It is an amenable number.

845076864 is an abundant number, since it is smaller than the sum of its proper divisors (1472102016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845076864 is a wasteful number, since it uses less digits than its factorization.

845076864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71039 (or 71027 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 845076864 is about 29070.2057784254. The cubic root of 845076864 is about 945.4358595195.

The spelling of 845076864 in words is "eight hundred forty-five million, seventy-six thousand, eight hundred sixty-four".