3975727976 has 24 divisors (see below), whose sum is σ = 8193780210. Its totient is φ = 1807148640.

The previous prime is 3975727969. The next prime is 3975727991. The reversal of 3975727976 is 6797275793.

It can be written as a sum of positive squares in only one way, i.e., 3748623076 + 227104900 = 61226^2 + 15070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2052611 + ... + 2054546.

Almost surely, 2^3975727976 is an apocalyptic number.

It is an amenable number.

3975727976 is an abundant number, since it is smaller than the sum of its proper divisors (4218052234).

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

3975727976 is a wasteful number, since it uses less digits than its factorization.

3975727976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107185 (or 4107170 counting only the distinct ones).

The product of its digits is 35006580, while the sum is 62.

The square root of 3975727976 is about 63053.3740255032. The cubic root of 3975727976 is about 1584.1837492598.

The spelling of 3975727976 in words is "three billion, nine hundred seventy-five million, seven hundred twenty-seven thousand, nine hundred seventy-six".