825020986 has 8 divisors (see below), whose sum is σ = 1263862080. Its totient is φ = 403733628.

The previous prime is 825020969. The next prime is 825021007. The reversal of 825020986 is 689020528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388316 + ... + 4388503.

It is an arithmetic number, because the mean of its divisors is an integer number (157982760).

Almost surely, 2^825020986 is an apocalyptic number.

825020986 is a deficient number, since it is larger than the sum of its proper divisors (438841094).

825020986 is a wasteful number, since it uses less digits than its factorization.

825020986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776868.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 825020986 is about 28723.1785497358. The cubic root of 825020986 is about 937.8966801545.

The spelling of 825020986 in words is "eight hundred twenty-five million, twenty thousand, nine hundred eighty-six".