87083225191 has 4 divisors (see below), whose sum is σ = 87098668384. Its totient is φ = 87067782000.

The previous prime is 87083225183. The next prime is 87083225219. The reversal of 87083225191 is 19152238078.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87083225191 - 2³ = 87083225183 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 (87083295191) 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, 7713135 + ... + 7724416.

It is an arithmetic number, because the mean of its divisors is an integer number (21774667096).

Almost surely, 2^87083225191 is an apocalyptic number.

87083225191 is a deficient number, since it is larger than the sum of its proper divisors (15443193).

87083225191 is a wasteful number, since it uses less digits than its factorization.

87083225191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15443192.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 87083225191 in words is "eighty-seven billion, eighty-three million, two hundred twenty-five thousand, one hundred ninety-one".