3912685677 has 24 divisors (see below), whose sum is σ = 6177150720. Its totient is φ = 2375821440.

The previous prime is 3912685649. The next prime is 3912685697. The reversal of 3912685677 is 7765862193.

3912685677 is a `hidden beast` number, since 3 + 9 + 12 + 68 + 567 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-3912685677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912685697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407727 + ... + 417212.

It is an arithmetic number, because the mean of its divisors is an integer number (257381280).

Almost surely, 2^3912685677 is an apocalyptic number.

It is an amenable number.

3912685677 is a deficient number, since it is larger than the sum of its proper divisors (2264465043).

3912685677 is a wasteful number, since it uses less digits than its factorization.

3912685677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824993 (or 824990 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 3912685677 is about 62551.4642274663. The cubic root of 3912685677 is about 1575.7657386103.

The spelling of 3912685677 in words is "three billion, nine hundred twelve million, six hundred eighty-five thousand, six hundred seventy-seven".