820076998 has 32 divisors (see below), whose sum is σ = 1363430880. Its totient is φ = 367530240.

The previous prime is 820076911. The next prime is 820077001. The reversal of 820076998 is 899670028.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240288 + ... + 243676.

It is an arithmetic number, because the mean of its divisors is an integer number (42607215).

Almost surely, 2^820076998 is an apocalyptic number.

820076998 is a deficient number, since it is larger than the sum of its proper divisors (543353882).

820076998 is a wasteful number, since it uses less digits than its factorization.

820076998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 820076998 is about 28636.9865383912. The cubic root of 820076998 is about 936.0194578893.

The spelling of 820076998 in words is "eight hundred twenty million, seventy-six thousand, nine hundred ninety-eight".