820898703 has 12 divisors (see below), whose sum is σ = 1255492368. Its totient is φ = 515073600.

The previous prime is 820898699. The next prime is 820898731. The reversal of 820898703 is 307898028.

It is not a de Polignac number, because 820898703 - 2² = 820898699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820898753) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2682523 + ... + 2682828.

It is an arithmetic number, because the mean of its divisors is an integer number (104624364).

Almost surely, 2^820898703 is an apocalyptic number.

820898703 is a deficient number, since it is larger than the sum of its proper divisors (434593665).

820898703 is a wasteful number, since it uses less digits than its factorization.

820898703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365374 (or 5365371 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 820898703 is about 28651.3298644234. The cubic root of 820898703 is about 936.3319794074.

The spelling of 820898703 in words is "eight hundred twenty million, eight hundred ninety-eight thousand, seven hundred three".