3660387782 has 8 divisors (see below), whose sum is σ = 5490930216. Its totient is φ = 1830077712.

The previous prime is 3660387779. The next prime is 3660387799. The reversal of 3660387782 is 2877830663.

It is a happy number.

3660387782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3660387782² = 26796877429229759048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3660387782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11108 + ... + 86279.

It is an arithmetic number, because the mean of its divisors is an integer number (686366277).

Almost surely, 2^3660387782 is an apocalyptic number.

3660387782 is a deficient number, since it is larger than the sum of its proper divisors (1830542434).

3660387782 is a wasteful number, since it uses less digits than its factorization.

3660387782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116182.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 3660387782 is about 60501.1386834992. The cubic root of 3660387782 is about 1541.1409689874.

The spelling of 3660387782 in words is "three billion, six hundred sixty million, three hundred eighty-seven thousand, seven hundred eighty-two".