3975248660 has 24 divisors (see below), whose sum is σ = 8635886280. Its totient is φ = 1535268224.

The previous prime is 3975248657. The next prime is 3975248663. The reversal of 3975248660 is 668425793.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3975248657) and next prime (3975248663).

It can be written as a sum of positive squares in 4 ways, for example, as 763306384 + 3211942276 = 27628^2 + 56674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3975248599 and 3975248608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975248663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3426359 + ... + 3427518.

It is an arithmetic number, because the mean of its divisors is an integer number (359828595).

Almost surely, 2^3975248660 is an apocalyptic number.

It is an amenable number.

3975248660 is an abundant number, since it is smaller than the sum of its proper divisors (4660637620).

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

3975248660 is a wasteful number, since it uses less digits than its factorization.

3975248660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853915 (or 6853913 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 3975248660 is about 63049.5730358263. The cubic root of 3975248660 is about 1584.1200833400.

The spelling of 3975248660 in words is "three billion, nine hundred seventy-five million, two hundred forty-eight thousand, six hundred sixty".