827513442 has 64 divisors (see below), whose sum is σ = 2169446400. Its totient is φ = 228802320.

The previous prime is 827513417. The next prime is 827513461. The reversal of 827513442 is 244315728.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 827513397 and 827513406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23592 + ... + 47027.

It is an arithmetic number, because the mean of its divisors is an integer number (33897600).

Almost surely, 2^827513442 is an apocalyptic number.

827513442 is an abundant number, since it is smaller than the sum of its proper divisors (1341932958).

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

827513442 is a wasteful number, since it uses less digits than its factorization.

827513442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70668 (or 70662 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 827513442 is about 28766.5333677869. The cubic root of 827513442 is about 938.8402181965.

The spelling of 827513442 in words is "eight hundred twenty-seven million, five hundred thirteen thousand, four hundred forty-two".