78055626 has 32 divisors (see below), whose sum is σ = 173933568. Its totient is φ = 23149040.

The previous prime is 78055577. The next prime is 78055651. The reversal of 78055626 is 62655087.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 9480 + ... + 15683.

It is an arithmetic number, because the mean of its divisors is an integer number (5435424).

Almost surely, 2^78055626 is an apocalyptic number.

78055626 is an abundant number, since it is smaller than the sum of its proper divisors (95877942).

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

78055626 is a wasteful number, since it uses less digits than its factorization.

78055626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25226.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 78055626 is about 8834.9095071766. The cubic root of 78055626 is about 427.3674128004.

It can be divided in two parts, 7805 and 5626, that added together give a palindrome (13431).

The spelling of 78055626 in words is "seventy-eight million, fifty-five thousand, six hundred twenty-six".