3937715971 has 16 divisors (see below), whose sum is σ = 4759586560. Its totient is φ = 3182366880.

The previous prime is 3937715923. The next prime is 3937715993. The reversal of 3937715971 is 1795177393.

3937715971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3937715971 - 2⁷ = 3937715843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3937715921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42096 + ... + 98221.

It is an arithmetic number, because the mean of its divisors is an integer number (297474160).

Almost surely, 2^3937715971 is an apocalyptic number.

3937715971 is a deficient number, since it is larger than the sum of its proper divisors (821870589).

3937715971 is a wasteful number, since it uses less digits than its factorization.

3937715971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140554.

The product of its digits is 1250235, while the sum is 52.

The square root of 3937715971 is about 62751.2228645785. Note that the first 3 decimals coincide. The cubic root of 3937715971 is about 1579.1187697963.

The spelling of 3937715971 in words is "three billion, nine hundred thirty-seven million, seven hundred fifteen thousand, nine hundred seventy-one".