3696978886 has 4 divisors (see below), whose sum is σ = 5545468332. Its totient is φ = 1848489442.

The previous prime is 3696978847. The next prime is 3696978889. The reversal of 3696978886 is 6888796963.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696978889) 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 as a sum of consecutive naturals, namely, 924244720 + ... + 924244723.

It is an arithmetic number, because the mean of its divisors is an integer number (1386367083).

Almost surely, 2^3696978886 is an apocalyptic number.

3696978886 is a deficient number, since it is larger than the sum of its proper divisors (1848489446).

3696978886 is a wasteful number, since it uses less digits than its factorization.

3696978886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848489445.

The product of its digits is 188116992, while the sum is 70.

The square root of 3696978886 is about 60802.7868275789. The cubic root of 3696978886 is about 1546.2592953858.

The spelling of 3696978886 in words is "three billion, six hundred ninety-six million, nine hundred seventy-eight thousand, eight hundred eighty-six".