7871238086 has 8 divisors (see below), whose sum is σ = 12187723584. Its totient is φ = 3808663560.

The previous prime is 7871238083. The next prime is 7871238113. The reversal of 7871238086 is 6808321787.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871238083) 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, 63477665 + ... + 63477788.

It is an arithmetic number, because the mean of its divisors is an integer number (1523465448).

Almost surely, 2^7871238086 is an apocalyptic number.

7871238086 is a deficient number, since it is larger than the sum of its proper divisors (4316485498).

7871238086 is a wasteful number, since it uses less digits than its factorization.

7871238086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126955486.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 7871238086 is about 88719.9982303877. The cubic root of 7871238086 is about 1989.2117519861.

The spelling of 7871238086 in words is "seven billion, eight hundred seventy-one million, two hundred thirty-eight thousand, eighty-six".