87006331457565 has 32 divisors (see below), whose sum is σ = 149919779874816. Its totient is φ = 42833549690880.

The previous prime is 87006331457557. The next prime is 87006331457603. The reversal of 87006331457565 is 56575413360078.

It is not a de Polignac number, because 87006331457565 - 2³ = 87006331457557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87006331457499 and 87006331457508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24103300 + ... + 27476930.

It is an arithmetic number, because the mean of its divisors is an integer number (4684993121088).

Almost surely, 2^{87006331457565} is an apocalyptic number.

It is an amenable number.

87006331457565 is a deficient number, since it is larger than the sum of its proper divisors (62913448417251).

87006331457565 is a wasteful number, since it uses less digits than its factorization.

87006331457565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505909.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 87006331457565 in words is "eighty-seven trillion, six billion, three hundred thirty-one million, four hundred fifty-seven thousand, five hundred sixty-five".