3127795745 has 16 divisors (see below), whose sum is σ = 3976134480. Its totient is φ = 2353864704.

The previous prime is 3127795739. The next prime is 3127795763. The reversal of 3127795745 is 5475977213.

It can be written as a sum of positive squares in 8 ways, for example, as 255264529 + 2872531216 = 15977^2 + 53596^2 .

It is a cyclic number.

It is not a de Polignac number, because 3127795745 - 2⁶ = 3127795681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3127795693 and 3127795702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185111 + ... + 201299.

It is an arithmetic number, because the mean of its divisors is an integer number (248508405).

Almost surely, 2^3127795745 is an apocalyptic number.

It is an amenable number.

3127795745 is a deficient number, since it is larger than the sum of its proper divisors (848338735).

3127795745 is a wasteful number, since it uses less digits than its factorization.

3127795745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484.

The product of its digits is 1852200, while the sum is 50.

The square root of 3127795745 is about 55926.6997506558. The cubic root of 3127795745 is about 1462.4447289118. Note that the first 3 decimals are identical.

The spelling of 3127795745 in words is "three billion, one hundred twenty-seven million, seven hundred ninety-five thousand, seven hundred forty-five".