77771104 has 24 divisors (see below), whose sum is σ = 161171640. Its totient is φ = 36838656.

The previous prime is 77771101. The next prime is 77771129. The reversal of 77771104 is 40117777.

It is a self number, because there is not a number n which added to its sum of digits gives 77771104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77771101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63349 + ... + 64564.

It is an arithmetic number, because the mean of its divisors is an integer number (6715485).

Almost surely, 2^77771104 is an apocalyptic number.

It is an amenable number.

77771104 is an abundant number, since it is smaller than the sum of its proper divisors (83400536).

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

77771104 is a wasteful number, since it uses less digits than its factorization.

77771104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127942 (or 127934 counting only the distinct ones).

The product of its (nonzero) digits is 9604, while the sum is 34.

The square root of 77771104 is about 8818.7926611300. The cubic root of 77771104 is about 426.8475123122.

The spelling of 77771104 in words is "seventy-seven million, seven hundred seventy-one thousand, one hundred four".