3728755055783 has 4 divisors (see below), whose sum is σ = 3819700301088. Its totient is φ = 3637809810480.

The previous prime is 3728755055761. The next prime is 3728755055807. The reversal of 3728755055783 is 3875505578273.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3728755055783 - 2⁶ = 3728755055719 is a prime.

It is a super-2 number, since 2×3728755055783² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728755045783) by changing a digit.

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, 45472622591 + ... + 45472622672.

It is an arithmetic number, because the mean of its divisors is an integer number (954925075272).

Almost surely, 2^{3728755055783} is an apocalyptic number.

3728755055783 is a deficient number, since it is larger than the sum of its proper divisors (90945245305).

3728755055783 is an equidigital number, since it uses as much as digits as its factorization.

3728755055783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90945245304.

The product of its (nonzero) digits is 246960000, while the sum is 65.

The spelling of 3728755055783 in words is "three trillion, seven hundred twenty-eight billion, seven hundred fifty-five million, fifty-five thousand, seven hundred eighty-three".