3678463765 has 4 divisors (see below), whose sum is σ = 4414156524. Its totient is φ = 2942771008.

The previous prime is 3678463759. The next prime is 3678463819. The reversal of 3678463765 is 5673648763.

It is a happy number.

3678463765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 752843844 + 2925619921 = 27438^2 + 54089^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678463765 - 2¹⁵ = 3678430997 is a prime.

It is a Duffinian number.

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, 367846372 + ... + 367846381.

It is an arithmetic number, because the mean of its divisors is an integer number (1103539131).

Almost surely, 2^3678463765 is an apocalyptic number.

It is an amenable number.

3678463765 is a deficient number, since it is larger than the sum of its proper divisors (735692759).

3678463765 is an equidigital number, since it uses as much as digits as its factorization.

3678463765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735692758.

The product of its digits is 15240960, while the sum is 55.

The square root of 3678463765 is about 60650.3401886585. The cubic root of 3678463765 is about 1543.6736612253.

The spelling of 3678463765 in words is "three billion, six hundred seventy-eight million, four hundred sixty-three thousand, seven hundred sixty-five".