56878081326 has 24 divisors (see below), whose sum is σ = 134439101784. Its totient is φ = 17235782160.

The previous prime is 56878081241. The next prime is 56878081331. The reversal of 56878081326 is 62318087865.

56878081326 is a `hidden beast` number, since 568 + 78 + 0 + 8 + 1 + 3 + 2 + 6 = 666.

It is a super-2 number, since 2×56878081326² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143631321 + ... + 143631716.

It is an arithmetic number, because the mean of its divisors is an integer number (5601629241).

Almost surely, 2^56878081326 is an apocalyptic number.

56878081326 is an abundant number, since it is smaller than the sum of its proper divisors (77561020458).

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

56878081326 is a wasteful number, since it uses less digits than its factorization.

56878081326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287263056 (or 287263053 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 56878081326 in words is "fifty-six billion, eight hundred seventy-eight million, eighty-one thousand, three hundred twenty-six".