867652056 has 96 divisors (see below), whose sum is σ = 2437269120. Its totient is φ = 278553600.

The previous prime is 867652033. The next prime is 867652063. The reversal of 867652056 is 650256768.

867652056 is a `hidden beast` number, since 8 + 6 + 76 + 520 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 537106 + ... + 538718.

It is an arithmetic number, because the mean of its divisors is an integer number (25388220).

Almost surely, 2^867652056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867652056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218634560).

867652056 is an abundant number, since it is smaller than the sum of its proper divisors (1569617064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867652056 is a wasteful number, since it uses less digits than its factorization.

867652056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 867652056 is about 29455.9341389812. The cubic root of 867652056 is about 953.7807072135.

The spelling of 867652056 in words is "eight hundred sixty-seven million, six hundred fifty-two thousand, fifty-six".