805077130 has 144 divisors (see below), whose sum is σ = 1794465792. Its totient is φ = 259459200.

The previous prime is 805077127. The next prime is 805077131. The reversal of 805077130 is 31770508.

805077130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 805077092 and 805077101.

It is not an unprimeable number, because it can be changed into a prime (805077131) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6339127 + ... + 6339253.

It is an arithmetic number, because the mean of its divisors is an integer number (12461568).

Almost surely, 2^805077130 is an apocalyptic number.

805077130 is an abundant number, since it is smaller than the sum of its proper divisors (989388662).

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

805077130 is a wasteful number, since it uses less digits than its factorization.

805077130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 805077130 is about 28373.8811233148. The cubic root of 805077130 is about 930.2774560447.

The spelling of 805077130 in words is "eight hundred five million, seventy-seven thousand, one hundred thirty".