87465517069 has 24 divisors (see below), whose sum is σ = 101835080768. Its totient is φ = 73589973120.

The previous prime is 87465517067. The next prime is 87465517109. The reversal of 87465517069 is 96071556478.

It is not a de Polignac number, because 87465517069 - 2¹ = 87465517067 is a prime.

It is a super-2 number, since 2×87465517069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87465517067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19174549 + ... + 19179109.

Almost surely, 2^87465517069 is an apocalyptic number.

It is an amenable number.

87465517069 is a deficient number, since it is larger than the sum of its proper divisors (14369563699).

87465517069 is an equidigital number, since it uses as much as digits as its factorization.

87465517069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 87465517069 in words is "eighty-seven billion, four hundred sixty-five million, five hundred seventeen thousand, sixty-nine".