77861104 has 20 divisors (see below), whose sum is σ = 151123264. Its totient is φ = 38861568.

The previous prime is 77861101. The next prime is 77861111. The reversal of 77861104 is 40116877.

It is a self number, because there is not a number n which added to its sum of digits gives 77861104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77861101) 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, 5704 + ... + 13720.

Almost surely, 2^77861104 is an apocalyptic number.

It is an amenable number.

77861104 is a deficient number, since it is larger than the sum of its proper divisors (73262160).

77861104 is a wasteful number, since it uses less digits than its factorization.

77861104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632 (or 8626 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 77861104 is about 8823.8939250197. The cubic root of 77861104 is about 427.0121041493.

The spelling of 77861104 in words is "seventy-seven million, eight hundred sixty-one thousand, one hundred four".