820702876 has 48 divisors (see below), whose sum is σ = 1668925440. Its totient is φ = 345870720.

The previous prime is 820702847. The next prime is 820702879. The reversal of 820702876 is 678207028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820702879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687336 + ... + 688528.

It is an arithmetic number, because the mean of its divisors is an integer number (34769280).

Almost surely, 2^820702876 is an apocalyptic number.

It is an amenable number.

820702876 is an abundant number, since it is smaller than the sum of its proper divisors (848222564).

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

820702876 is a wasteful number, since it uses less digits than its factorization.

820702876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 820702876 is about 28647.9122450485. The cubic root of 820702876 is about 936.2575188745.

The spelling of 820702876 in words is "eight hundred twenty million, seven hundred two thousand, eight hundred seventy-six".