823795470 has 48 divisors (see below), whose sum is σ = 2143469952. Its totient is φ = 219514560.

The previous prime is 823795459. The next prime is 823795487. The reversal of 823795470 is 74597328.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161560 + ... + 166580.

It is an arithmetic number, because the mean of its divisors is an integer number (44655624).

Almost surely, 2^823795470 is an apocalyptic number.

823795470 is an abundant number, since it is smaller than the sum of its proper divisors (1319674482).

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

823795470 is a wasteful number, since it uses less digits than its factorization.

823795470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 823795470 is about 28701.8373976301. The cubic root of 823795470 is about 937.4320548091.

The spelling of 823795470 in words is "eight hundred twenty-three million, seven hundred ninety-five thousand, four hundred seventy".