77806104 has 16 divisors (see below), whose sum is σ = 194515320. Its totient is φ = 25935360.

The previous prime is 77806087. The next prime is 77806111. The reversal of 77806104 is 40160877.

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 3 ways as a sum of consecutive naturals, for example, 1620937 + ... + 1620984.

Almost surely, 2^77806104 is an apocalyptic number.

It is an amenable number.

77806104 is an abundant number, since it is smaller than the sum of its proper divisors (116709216).

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

77806104 is a wasteful number, since it uses less digits than its factorization.

77806104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241930 (or 3241926 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 77806104 is about 8820.7768365377. The cubic root of 77806104 is about 426.9115353301.

The spelling of 77806104 in words is "seventy-seven million, eight hundred six thousand, one hundred four".