78268056 has 32 divisors (see below), whose sum is σ = 201984000. Its totient is φ = 25247520.

The previous prime is 78268037. The next prime is 78268067. The reversal of 78268056 is 65086287.

It is a super-2 number, since 2×78268056² = 12251777180038272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78267999 and 78268017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51856 + ... + 53343.

It is an arithmetic number, because the mean of its divisors is an integer number (6312000).

Almost surely, 2^78268056 is an apocalyptic number.

It is an amenable number.

78268056 is an abundant number, since it is smaller than the sum of its proper divisors (123715944).

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

78268056 is a wasteful number, since it uses less digits than its factorization.

78268056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105239 (or 105235 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 78268056 is about 8846.9235330707. The cubic root of 78268056 is about 427.7547580399.

The spelling of 78268056 in words is "seventy-eight million, two hundred sixty-eight thousand, fifty-six".