820367675 has 12 divisors (see below), whose sum is σ = 1017661056. Its totient is φ = 656032800.

The previous prime is 820367671. The next prime is 820367687. The reversal of 820367675 is 576763028.

It is not a de Polignac number, because 820367675 - 2² = 820367671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820367671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79937 + ... + 89613.

It is an arithmetic number, because the mean of its divisors is an integer number (84805088).

Almost surely, 2^820367675 is an apocalyptic number.

820367675 is a deficient number, since it is larger than the sum of its proper divisors (197293381).

820367675 is a wasteful number, since it uses less digits than its factorization.

820367675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078 (or 13073 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 820367675 is about 28642.0612910454. The cubic root of 820367675 is about 936.1300357938.

The spelling of 820367675 in words is "eight hundred twenty million, three hundred sixty-seven thousand, six hundred seventy-five".