3107720687 has 8 divisors (see below), whose sum is σ = 3192417696. Its totient is φ = 3023060832.

The previous prime is 3107720669. The next prime is 3107720711. The reversal of 3107720687 is 7860277013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3107720687 - 2⁸ = 3107720431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3107720657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286118 + ... + 296780.

It is an arithmetic number, because the mean of its divisors is an integer number (399052212).

Almost surely, 2^3107720687 is an apocalyptic number.

3107720687 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3107720687 is a deficient number, since it is larger than the sum of its proper divisors (84697009).

3107720687 is a wasteful number, since it uses less digits than its factorization.

3107720687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18577.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 3107720687 is about 55746.9343282660. The cubic root of 3107720687 is about 1459.3092195677.

The spelling of 3107720687 in words is "three billion, one hundred seven million, seven hundred twenty thousand, six hundred eighty-seven".