3387813765 has 32 divisors (see below), whose sum is σ = 6394699776. Its totient is φ = 1498754880.

The previous prime is 3387813763. The next prime is 3387813799. The reversal of 3387813765 is 5673187833.

It is not a de Polignac number, because 3387813765 - 2¹ = 3387813763 is a prime.

It is a super-2 number, since 2×3387813765² = 22954564212646950450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387813761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517147 + ... + 523656.

It is an arithmetic number, because the mean of its divisors is an integer number (199834368).

Almost surely, 2^3387813765 is an apocalyptic number.

3387813765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3387813765 is a deficient number, since it is larger than the sum of its proper divisors (3006886011).

3387813765 is a wasteful number, since it uses less digits than its factorization.

3387813765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040849.

The product of its digits is 2540160, while the sum is 51.

The square root of 3387813765 is about 58204.9290438533. The cubic root of 3387813765 is about 1501.8959381582.

The spelling of 3387813765 in words is "three billion, three hundred eighty-seven million, eight hundred thirteen thousand, seven hundred sixty-five".