78056078 has 32 divisors (see below), whose sum is σ = 129392640. Its totient is φ = 35153280.

The previous prime is 78056071. The next prime is 78056093. The reversal of 78056078 is 87065087.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78056071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108203 + ... + 108921.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^78056078 is an apocalyptic number.

78056078 is a deficient number, since it is larger than the sum of its proper divisors (51336562).

78056078 is a wasteful number, since it uses less digits than its factorization.

78056078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 78056078 is about 8834.9350874808. The cubic root of 78056078 is about 427.3682377236.

Subtracting 78056078 from its reverse (87065087), we obtain a palindrome (9009009).

The spelling of 78056078 in words is "seventy-eight million, fifty-six thousand, seventy-eight".