870770051 has 2 divisors, whose sum is σ = 870770052. Its totient is φ = 870770050.

The previous prime is 870770011. The next prime is 870770063. The reversal of 870770051 is 150077078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870770051 - 2¹⁸ = 870507907 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 870769993 and 870770020.

It is not a weakly prime, because it can be changed into another prime (870770011) 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 as a sum of consecutive naturals, namely, 435385025 + 435385026.

It is an arithmetic number, because the mean of its divisors is an integer number (435385026).

Almost surely, 2^870770051 is an apocalyptic number.

870770051 is a deficient number, since it is larger than the sum of its proper divisors (1).

870770051 is an equidigital number, since it uses as much as digits as its factorization.

870770051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 870770051 is about 29508.8131072736. The cubic root of 870770051 is about 954.9218436994.

The spelling of 870770051 in words is "eight hundred seventy million, seven hundred seventy thousand, fifty-one".