870568011 has 24 divisors (see below), whose sum is σ = 1401538320. Its totient is φ = 517487616.

The previous prime is 870567989. The next prime is 870568021. The reversal of 870568011 is 110865078.

870568011 is a `hidden beast` number, since 87 + 0 + 568 + 0 + 11 = 666.

It is not a de Polignac number, because 870568011 - 2⁵ = 870567979 is a prime.

It is a super-2 number, since 2×870568011² = 1515777323552992242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (870568021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146830 + ... + 152643.

It is an arithmetic number, because the mean of its divisors is an integer number (58397430).

Almost surely, 2^870568011 is an apocalyptic number.

870568011 is a deficient number, since it is larger than the sum of its proper divisors (530970309).

870568011 is a wasteful number, since it uses less digits than its factorization.

870568011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299515 (or 299512 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 870568011 is about 29505.3895246275. The cubic root of 870568011 is about 954.8479828936.

The spelling of 870568011 in words is "eight hundred seventy million, five hundred sixty-eight thousand, eleven".