829801982 has 4 divisors (see below), whose sum is σ = 1244702976. Its totient is φ = 414900990.

The previous prime is 829801979. The next prime is 829802059. The reversal of 829801982 is 289108928.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×829801982² = 1377142658662256648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207450494 + ... + 207450497.

It is an arithmetic number, because the mean of its divisors is an integer number (311175744).

Almost surely, 2^829801982 is an apocalyptic number.

829801982 is a deficient number, since it is larger than the sum of its proper divisors (414900994).

829801982 is a wasteful number, since it uses less digits than its factorization.

829801982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414900993.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 829801982 is about 28806.2837242155. The cubic root of 829801982 is about 939.7048952923.

The spelling of 829801982 in words is "eight hundred twenty-nine million, eight hundred one thousand, nine hundred eighty-two".