87744458808671 has 16 divisors (see below), whose sum is σ = 102808804875840. Its totient is φ = 73315453758720.

The previous prime is 87744458808623. The next prime is 87744458808707. The reversal of 87744458808671 is 17680885444778.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87744458808671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87744458808592 and 87744458808601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87744458808971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124028816 + ... + 124734261.

It is an arithmetic number, because the mean of its divisors is an integer number (6425550304740).

Almost surely, 2^{87744458808671} is an apocalyptic number.

87744458808671 is a deficient number, since it is larger than the sum of its proper divisors (15064346067169).

87744458808671 is a wasteful number, since it uses less digits than its factorization.

87744458808671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248764354.

The product of its (nonzero) digits is 2697461760, while the sum is 77.

The spelling of 87744458808671 in words is "eighty-seven trillion, seven hundred forty-four billion, four hundred fifty-eight million, eight hundred eight thousand, six hundred seventy-one".