78868622 has 16 divisors (see below), whose sum is σ = 138348672. Its totient is φ = 33014520.

The previous prime is 78868597. The next prime is 78868637. The reversal of 78868622 is 22686887.

78868622 is nontrivially palindromic in base 13.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64904 + ... + 66107.

It is an arithmetic number, because the mean of its divisors is an integer number (8646792).

Almost surely, 2^78868622 is an apocalyptic number.

78868622 is a deficient number, since it is larger than the sum of its proper divisors (59480050).

78868622 is a wasteful number, since it uses less digits than its factorization.

78868622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131063.

The product of its digits is 516096, while the sum is 47.

The square root of 78868622 is about 8880.8007521845. The cubic root of 78868622 is about 428.8460533292.

The spelling of 78868622 in words is "seventy-eight million, eight hundred sixty-eight thousand, six hundred twenty-two".