805125078 has 12 divisors (see below), whose sum is σ = 1744437708. Its totient is φ = 268375020.

The previous prime is 805125073. The next prime is 805125109. The reversal of 805125078 is 870521508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805125071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22364568 + ... + 22364603.

It is an arithmetic number, because the mean of its divisors is an integer number (145369809).

Almost surely, 2^805125078 is an apocalyptic number.

805125078 is an abundant number, since it is smaller than the sum of its proper divisors (939312630).

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

805125078 is a wasteful number, since it uses less digits than its factorization.

805125078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729179 (or 44729176 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 805125078 is about 28374.7260427304. The cubic root of 805125078 is about 930.2959238645.

The spelling of 805125078 in words is "eight hundred five million, one hundred twenty-five thousand, seventy-eight".