3667692687 has 4 divisors (see below), whose sum is σ = 4890256920. Its totient is φ = 2445128456.

The previous prime is 3667692661. The next prime is 3667692709. The reversal of 3667692687 is 7862967663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3667692687 - 2⁷ = 3667692559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3667692687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667694687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611282112 + ... + 611282117.

It is an arithmetic number, because the mean of its divisors is an integer number (1222564230).

Almost surely, 2^3667692687 is an apocalyptic number.

3667692687 is a deficient number, since it is larger than the sum of its proper divisors (1222564233).

3667692687 is a wasteful number, since it uses less digits than its factorization.

3667692687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222564232.

The product of its digits is 27433728, while the sum is 60.

The square root of 3667692687 is about 60561.4785734298. The cubic root of 3667692687 is about 1542.1654877309.

The spelling of 3667692687 in words is "three billion, six hundred sixty-seven million, six hundred ninety-two thousand, six hundred eighty-seven".