7871347741 has 8 divisors (see below), whose sum is σ = 7948245240. Its totient is φ = 7794732288.

The previous prime is 7871347711. The next prime is 7871347811. The reversal of 7871347741 is 1477431787.

It can be written as a sum of positive squares in 4 ways, for example, as 1343515716 + 6527832025 = 36654^2 + 80795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7871347741 - 2⁹ = 7871347229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871347711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14206 + ... + 126271.

It is an arithmetic number, because the mean of its divisors is an integer number (993530655).

Almost surely, 2^7871347741 is an apocalyptic number.

It is an amenable number.

7871347741 is a deficient number, since it is larger than the sum of its proper divisors (76897499).

7871347741 is a wasteful number, since it uses less digits than its factorization.

7871347741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141023.

The product of its digits is 921984, while the sum is 49.

The square root of 7871347741 is about 88720.6162117915. The cubic root of 7871347741 is about 1989.2209892454.

The spelling of 7871347741 in words is "seven billion, eight hundred seventy-one million, three hundred forty-seven thousand, seven hundred forty-one".