825509882 has 16 divisors (see below), whose sum is σ = 1336659840. Its totient is φ = 381194352.

The previous prime is 825509879. The next prime is 825509899. The reversal of 825509882 is 288905528.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308078 + ... + 310745.

It is an arithmetic number, because the mean of its divisors is an integer number (83541240).

Almost surely, 2^825509882 is an apocalyptic number.

825509882 is a deficient number, since it is larger than the sum of its proper divisors (511149958).

825509882 is a wasteful number, since it uses less digits than its factorization.

825509882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618877.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 825509882 is about 28731.6877680376. The cubic root of 825509882 is about 938.0819050960.

The spelling of 825509882 in words is "eight hundred twenty-five million, five hundred nine thousand, eight hundred eighty-two".