3720117886 has 8 divisors (see below), whose sum is σ = 5584141440. Its totient is φ = 1858737408.

The previous prime is 3720117857. The next prime is 3720117913. The reversal of 3720117886 is 6887110273.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657246 + ... + 662881.

It is an arithmetic number, because the mean of its divisors is an integer number (698017680).

Almost surely, 2^3720117886 is an apocalyptic number.

3720117886 is a deficient number, since it is larger than the sum of its proper divisors (1864023554).

3720117886 is a wasteful number, since it uses less digits than its factorization.

3720117886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321538.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 3720117886 is about 60992.7691288074. The cubic root of 3720117886 is about 1549.4785462007.

The spelling of 3720117886 in words is "three billion, seven hundred twenty million, one hundred seventeen thousand, eight hundred eighty-six".