825072894 has 24 divisors (see below), whose sum is σ = 1788513480. Its totient is φ = 274892688.

The previous prime is 825072887. The next prime is 825072931. The reversal of 825072894 is 498270528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32304 + ... + 51900.

It is an arithmetic number, because the mean of its divisors is an integer number (74521395).

Almost surely, 2^825072894 is an apocalyptic number.

825072894 is an abundant number, since it is smaller than the sum of its proper divisors (963440586).

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

825072894 is a wasteful number, since it uses less digits than its factorization.

825072894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21944 (or 21941 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 825072894 is about 28724.0821263274. The cubic root of 825072894 is about 937.9163496824.

The spelling of 825072894 in words is "eight hundred twenty-five million, seventy-two thousand, eight hundred ninety-four".