829885455497 has 16 divisors (see below), whose sum is σ = 974789721600. Its totient is φ = 691761290688.

The previous prime is 829885455481. The next prime is 829885455499. The reversal of 829885455497 is 794554588928.

It is a cyclic number.

It is not a de Polignac number, because 829885455497 - 2⁴ = 829885455481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (829885455499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7981622 + ... + 8084927.

It is an arithmetic number, because the mean of its divisors is an integer number (60924357600).

Almost surely, 2^829885455497 is an apocalyptic number.

It is an amenable number.

829885455497 is a deficient number, since it is larger than the sum of its proper divisors (144904266103).

829885455497 is a wasteful number, since it uses less digits than its factorization.

829885455497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066760.

The product of its digits is 1161216000, while the sum is 74.

The spelling of 829885455497 in words is "eight hundred twenty-nine billion, eight hundred eighty-five million, four hundred fifty-five thousand, four hundred ninety-seven".