2131879727 has 8 divisors (see below), whose sum is σ = 2191860672. Its totient is φ = 2072023200.

The previous prime is 2131879709. The next prime is 2131879733. The reversal of 2131879727 is 7279781312.

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 2131879727 - 2¹⁰ = 2131878703 is a prime.

It is a super-2 number, since 2×2131879727² = 9089822340787189058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131879787) 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, 4202 + ... + 65432.

It is an arithmetic number, because the mean of its divisors is an integer number (273982584).

Almost surely, 2^2131879727 is an apocalyptic number.

2131879727 is a deficient number, since it is larger than the sum of its proper divisors (59980945).

2131879727 is an equidigital number, since it uses as much as digits as its factorization.

2131879727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62209.

The product of its digits is 296352, while the sum is 47.

The square root of 2131879727 is about 46172.2831036110. The cubic root of 2131879727 is about 1287.0267293986.

The spelling of 2131879727 in words is "two billion, one hundred thirty-one million, eight hundred seventy-nine thousand, seven hundred twenty-seven".