870056767 has 2 divisors, whose sum is σ = 870056768. Its totient is φ = 870056766.

The previous prime is 870056749. The next prime is 870056771. The reversal of 870056767 is 767650078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870056767 - 2¹¹ = 870054719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870054767) 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, 435028383 + 435028384.

It is an arithmetic number, because the mean of its divisors is an integer number (435028384).

Almost surely, 2^870056767 is an apocalyptic number.

870056767 is a deficient number, since it is larger than the sum of its proper divisors (1).

870056767 is an equidigital number, since it uses as much as digits as its factorization.

870056767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 870056767 is about 29496.7246825813. The cubic root of 870056767 is about 954.6610337274.

The spelling of 870056767 in words is "eight hundred seventy million, fifty-six thousand, seven hundred sixty-seven".