872785051 has 2 divisors, whose sum is σ = 872785052. Its totient is φ = 872785050.

The previous prime is 872785027. The next prime is 872785063. The reversal of 872785051 is 150587278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872785051 - 2¹¹ = 872783003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 872784989 and 872785007.

It is not a weakly prime, because it can be changed into another prime (872795051) by changing a digit.

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 as a sum of consecutive naturals, namely, 436392525 + 436392526.

It is an arithmetic number, because the mean of its divisors is an integer number (436392526).

Almost surely, 2^872785051 is an apocalyptic number.

872785051 is a deficient number, since it is larger than the sum of its proper divisors (1).

872785051 is an equidigital number, since it uses as much as digits as its factorization.

872785051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 872785051 is about 29542.9357207438. The cubic root of 872785051 is about 955.6578532484.

It can be divided in two parts, 87278 and 5051, that added together give a palindrome (92329).

The spelling of 872785051 in words is "eight hundred seventy-two million, seven hundred eighty-five thousand, fifty-one".