3971771793 has 64 divisors (see below), whose sum is σ = 6561484800. Its totient is φ = 2354184000.

The previous prime is 3971771789. The next prime is 3971771849.

3971771793 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3971771793 - 2² = 3971771789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3971771753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3822168 + ... + 3823206.

It is an arithmetic number, because the mean of its divisors is an integer number (102523200).

Almost surely, 2^3971771793 is an apocalyptic number.

3971771793 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3971771793 is a deficient number, since it is larger than the sum of its proper divisors (2589713007).

3971771793 is a wasteful number, since it uses less digits than its factorization.

3971771793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1325 counting only the distinct ones).

The product of its digits is 1750329, while the sum is 54.

The square root of 3971771793 is about 63021.9945177872. The cubic root of 3971771793 is about 1583.6581096082.

The spelling of 3971771793 in words is "three billion, nine hundred seventy-one million, seven hundred seventy-one thousand, seven hundred ninety-three".