360856881 has 24 divisors (see below), whose sum is σ = 649856064. Its totient is φ = 187457760.

The previous prime is 360856879. The next prime is 360856897. The reversal of 360856881 is 188658063.

360856881 is a `hidden beast` number, since 3 + 6 + 0 + 8 + 568 + 81 = 666.

It is not a de Polignac number, because 360856881 - 2¹ = 360856879 is a prime.

It is a super-2 number, since 2×360856881² = 260435377130096322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (360856871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259666 + ... + 261051.

It is an arithmetic number, because the mean of its divisors is an integer number (27077336).

Almost surely, 2^360856881 is an apocalyptic number.

It is an amenable number.

360856881 is a deficient number, since it is larger than the sum of its proper divisors (288999183).

360856881 is a wasteful number, since it uses less digits than its factorization.

360856881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520741 (or 520738 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 360856881 is about 18996.2333371645. The cubic root of 360856881 is about 711.9426274364.

The spelling of 360856881 in words is "three hundred sixty million, eight hundred fifty-six thousand, eight hundred eighty-one".