825662768 has 20 divisors (see below), whose sum is σ = 1828253520. Its totient is φ = 353855424.

The previous prime is 825662767. The next prime is 825662791. The reversal of 825662768 is 867266528.

It is a super-2 number, since 2×825662768² = 1363438012922843648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (825662767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685883 + ... + 3686106.

It is an arithmetic number, because the mean of its divisors is an integer number (91412676).

Almost surely, 2^825662768 is an apocalyptic number.

It is an amenable number.

825662768 is an abundant number, since it is smaller than the sum of its proper divisors (1002590752).

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

825662768 is a wasteful number, since it uses less digits than its factorization.

825662768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372004 (or 7371998 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 825662768 is about 28734.3482264693. The cubic root of 825662768 is about 938.1398130389.

The spelling of 825662768 in words is "eight hundred twenty-five million, six hundred sixty-two thousand, seven hundred sixty-eight".