87090196271 has 8 divisors (see below), whose sum is σ = 94718051904. Its totient is φ = 79594999200.

The previous prime is 87090196217. The next prime is 87090196307. The reversal of 87090196271 is 17269109078.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87090196271 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 (87090196201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33163271 + ... + 33165896.

It is an arithmetic number, because the mean of its divisors is an integer number (11839756488).

Almost surely, 2^87090196271 is an apocalyptic number.

87090196271 is a deficient number, since it is larger than the sum of its proper divisors (7627855633).

87090196271 is a wasteful number, since it uses less digits than its factorization.

87090196271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66329281.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 87090196271 in words is "eighty-seven billion, ninety million, one hundred ninety-six thousand, two hundred seventy-one".