825448377 has 32 divisors (see below), whose sum is σ = 1229003776. Its totient is φ = 489369600.

The previous prime is 825448361. The next prime is 825448387. The reversal of 825448377 is 773844528.

It is not a de Polignac number, because 825448377 - 2⁴ = 825448361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825448307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289953 + ... + 292785.

It is an arithmetic number, because the mean of its divisors is an integer number (38406368).

Almost surely, 2^825448377 is an apocalyptic number.

It is an amenable number.

825448377 is a deficient number, since it is larger than the sum of its proper divisors (403555399).

825448377 is a wasteful number, since it uses less digits than its factorization.

825448377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121.

The product of its digits is 1505280, while the sum is 48.

The square root of 825448377 is about 28730.6174141803. The cubic root of 825448377 is about 938.0586071070.

The spelling of 825448377 in words is "eight hundred twenty-five million, four hundred forty-eight thousand, three hundred seventy-seven".