3750777765 has 48 divisors (see below), whose sum is σ = 7756724160. Its totient is φ = 1714638240.

The previous prime is 3750777763. The next prime is 3750777769. The reversal of 3750777765 is 5677770573.

3750777765 is a `hidden beast` number, since 3 + 7 + 507 + 7 + 77 + 65 = 666.

It is not a de Polignac number, because 3750777765 - 2¹ = 3750777763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750777763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276891 + ... + 290120.

It is an arithmetic number, because the mean of its divisors is an integer number (161598420).

Almost surely, 2^3750777765 is an apocalyptic number.

3750777765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3750777765 is an abundant number, since it is smaller than the sum of its proper divisors (4005946395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3750777765 is a wasteful number, since it uses less digits than its factorization.

3750777765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567039 (or 567026 counting only the distinct ones).

The product of its (nonzero) digits is 7563150, while the sum is 54.

The square root of 3750777765 is about 61243.5936649704. The cubic root of 3750777765 is about 1553.7236542939.

The spelling of 3750777765 in words is "three billion, seven hundred fifty million, seven hundred seventy-seven thousand, seven hundred sixty-five".