8126672187 has 4 divisors (see below), whose sum is σ = 10835562920. Its totient is φ = 5417781456.

The previous prime is 8126672167. The next prime is 8126672209. The reversal of 8126672187 is 7812766218.

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

It is not a de Polignac number, because 8126672187 - 2⁶ = 8126672123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126672167) 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, 1354445362 + ... + 1354445367.

It is an arithmetic number, because the mean of its divisors is an integer number (2708890730).

Almost surely, 2^8126672187 is an apocalyptic number.

8126672187 is a deficient number, since it is larger than the sum of its proper divisors (2708890733).

8126672187 is a wasteful number, since it uses less digits than its factorization.

8126672187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708890732.

The product of its digits is 451584, while the sum is 48.

The square root of 8126672187 is about 90148.0570339705. The cubic root of 8126672187 is about 2010.5007858413.

The spelling of 8126672187 in words is "eight billion, one hundred twenty-six million, six hundred seventy-two thousand, one hundred eighty-seven".