77763108 has 12 divisors (see below), whose sum is σ = 181447280. Its totient is φ = 25921032.

The previous prime is 77763089. The next prime is 77763109. The reversal of 77763108 is 80136777.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (77763109) 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, 3240118 + ... + 3240141.

Almost surely, 2^77763108 is an apocalyptic number.

It is an amenable number.

77763108 is an abundant number, since it is smaller than the sum of its proper divisors (103684172).

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

77763108 is a wasteful number, since it uses less digits than its factorization.

77763108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480266 (or 6480264 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 77763108 is about 8818.3392994373. The cubic root of 77763108 is about 426.8328831011.

It can be divided in two parts, 77763 and 108, that multiplied together give a square (8398404 = 2898²).

The spelling of 77763108 in words is "seventy-seven million, seven hundred sixty-three thousand, one hundred eight".