870455711 has 4 divisors (see below), whose sum is σ = 870647832. Its totient is φ = 870263592.

The previous prime is 870455647. The next prime is 870455713. The reversal of 870455711 is 117554078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870455711 - 2⁶ = 870455647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870455713) 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 in 3 ways as a sum of consecutive naturals, for example, 89096 + ... + 98381.

It is an arithmetic number, because the mean of its divisors is an integer number (217661958).

Almost surely, 2^870455711 is an apocalyptic number.

870455711 is a deficient number, since it is larger than the sum of its proper divisors (192121).

870455711 is a wasteful number, since it uses less digits than its factorization.

870455711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192120.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 870455711 is about 29503.4864210995. The cubic root of 870455711 is about 954.8069238616.

The spelling of 870455711 in words is "eight hundred seventy million, four hundred fifty-five thousand, seven hundred eleven".