3798626687 has 4 divisors (see below), whose sum is σ = 3804271680. Its totient is φ = 3792981696.

The previous prime is 3798626681. The next prime is 3798626701. The reversal of 3798626687 is 7866268973.

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 3798626687 - 2⁸ = 3798626431 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 (3798626681) 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 3 ways as a sum of consecutive naturals, for example, 2821487 + ... + 2822832.

It is an arithmetic number, because the mean of its divisors is an integer number (951067920).

Almost surely, 2^3798626687 is an apocalyptic number.

3798626687 is a deficient number, since it is larger than the sum of its proper divisors (5644993).

3798626687 is an equidigital number, since it uses as much as digits as its factorization.

3798626687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644992.

The product of its digits is 36578304, while the sum is 62.

The square root of 3798626687 is about 61632.9999837749. Note that the first 4 decimals coincide. The cubic root of 3798626687 is about 1560.3027418965.

The spelling of 3798626687 in words is "three billion, seven hundred ninety-eight million, six hundred twenty-six thousand, six hundred eighty-seven".