871088678661465 has 24 divisors (see below), whose sum is σ = 1647149501469888. Its totient is φ = 422346026017440.

The previous prime is 871088678661457. The next prime is 871088678661473. The reversal of 871088678661465 is 564166876880178.

871088678661465 is a `hidden beast` number, since 8 + 7 + 1 + 0 + 8 + 86 + 78 + 6 + 6 + 1 + 465 = 666.

It is an interprime number because it is at equal distance from previous prime (871088678661457) and next prime (871088678661473).

It is not a de Polignac number, because 871088678661465 - 2³ = 871088678661457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879887553709 + ... + 879887554698.

It is an arithmetic number, because the mean of its divisors is an integer number (68631229227912).

Almost surely, 2^{871088678661465} is an apocalyptic number.

It is an amenable number.

871088678661465 is a deficient number, since it is larger than the sum of its proper divisors (776060822808423).

871088678661465 is a wasteful number, since it uses less digits than its factorization.

871088678661465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759775108429 (or 1759775108426 counting only the distinct ones).

The product of its (nonzero) digits is 5202247680, while the sum is 81.

The spelling of 871088678661465 in words is "eight hundred seventy-one trillion, eighty-eight billion, six hundred seventy-eight million, six hundred sixty-one thousand, four hundred sixty-five".