3871157760427 has 4 divisors (see below), whose sum is σ = 3911066603416. Its totient is φ = 3831248917440.

The previous prime is 3871157760329. The next prime is 3871157760467. The reversal of 3871157760427 is 7240677511783.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-3871157760427 is a prime.

It is a super-2 number, since 2×3871157760427² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871157760467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19954421349 + ... + 19954421542.

It is an arithmetic number, because the mean of its divisors is an integer number (977766650854).

Almost surely, 2^{3871157760427} is an apocalyptic number.

3871157760427 is a deficient number, since it is larger than the sum of its proper divisors (39908842989).

3871157760427 is an equidigital number, since it uses as much as digits as its factorization.

3871157760427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39908842988.

The product of its (nonzero) digits is 13829760, while the sum is 58.

The spelling of 3871157760427 in words is "three trillion, eight hundred seventy-one billion, one hundred fifty-seven million, seven hundred sixty thousand, four hundred twenty-seven".