820075083 has 8 divisors (see below), whose sum is σ = 1093689408. Its totient is φ = 546588744.

The previous prime is 820075073. The next prime is 820075099. The reversal of 820075083 is 380570028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 820075083 - 2²¹ = 817977931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (820075073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15885 + ... + 43502.

It is an arithmetic number, because the mean of its divisors is an integer number (136711176).

Almost surely, 2^820075083 is an apocalyptic number.

820075083 is a deficient number, since it is larger than the sum of its proper divisors (273614325).

820075083 is a wasteful number, since it uses less digits than its factorization.

820075083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63993.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 820075083 is about 28636.9531025911. The cubic root of 820075083 is about 936.0187293078.

The spelling of 820075083 in words is "eight hundred twenty million, seventy-five thousand, eighty-three".