8271470998791 has 80 divisors (see below), whose sum is σ = 16590073049088. Its totient is φ = 3966339700800.

The previous prime is 8271470998789. The next prime is 8271470998793. The reversal of 8271470998791 is 1978990741728.

8271470998791 is a `hidden beast` number, since 8 + 2 + 71 + 470 + 9 + 9 + 87 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (8271470998789) and next prime (8271470998793).

It is not a de Polignac number, because 8271470998791 - 2¹ = 8271470998789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8271470998793) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50926375 + ... + 51088536.

Almost surely, 2^{8271470998791} is an apocalyptic number.

8271470998791 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8271470998791 is an abundant number, since it is smaller than the sum of its proper divisors (8318602050297).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8271470998791 is a wasteful number, since it uses less digits than its factorization.

8271470998791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102014954 (or 102014945 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 72.

The spelling of 8271470998791 in words is "eight trillion, two hundred seventy-one billion, four hundred seventy million, nine hundred ninety-eight thousand, seven hundred ninety-one".