3678238765 has 8 divisors (see below), whose sum is σ = 4433332320. Its totient is φ = 2929627152.

The previous prime is 3678238727. The next prime is 3678238769. The reversal of 3678238765 is 5678328763.

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

It is a cyclic number.

It is not a de Polignac number, because 3678238765 - 2¹⁵ = 3678205997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678238769) 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 7 ways as a sum of consecutive naturals, for example, 1619235 + ... + 1621504.

It is an arithmetic number, because the mean of its divisors is an integer number (554166540).

Almost surely, 2^3678238765 is an apocalyptic number.

It is an amenable number.

3678238765 is a deficient number, since it is larger than the sum of its proper divisors (755093555).

3678238765 is a wasteful number, since it uses less digits than its factorization.

3678238765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240971.

The product of its digits is 10160640, while the sum is 55.

The square root of 3678238765 is about 60648.4852655035. The cubic root of 3678238765 is about 1543.6421867043.

The spelling of 3678238765 in words is "three billion, six hundred seventy-eight million, two hundred thirty-eight thousand, seven hundred sixty-five".