3907759947891 has 16 divisors (see below), whose sum is σ = 5218793448960. Its totient is φ = 2600953238880.

The previous prime is 3907759947731. The next prime is 3907759947979. The reversal of 3907759947891 is 1987499577093.

It is not a de Polignac number, because 3907759947891 - 2¹⁴ = 3907759931507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3907759947391) 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, 4237965 + ... + 5076993.

It is an arithmetic number, because the mean of its divisors is an integer number (326174590560).

Almost surely, 2^{3907759947891} is an apocalyptic number.

3907759947891 is a deficient number, since it is larger than the sum of its proper divisors (1311033501069).

3907759947891 is a wasteful number, since it uses less digits than its factorization.

3907759947891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841546.

The product of its (nonzero) digits is 1080203040, while the sum is 78.

The spelling of 3907759947891 in words is "three trillion, nine hundred seven billion, seven hundred fifty-nine million, nine hundred forty-seven thousand, eight hundred ninety-one".