87085269719 has 16 divisors (see below), whose sum is σ = 102786441216. Its totient is φ = 72201542400.

The previous prime is 87085269703. The next prime is 87085269749. The reversal of 87085269719 is 91796258078.

It is a cyclic number.

It is not a de Polignac number, because 87085269719 - 2⁴ = 87085269703 is a prime.

It is a super-2 number, since 2×87085269719² (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 (87085269749) 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, 355154 + ... + 548000.

It is an arithmetic number, because the mean of its divisors is an integer number (6424152576).

Almost surely, 2^87085269719 is an apocalyptic number.

87085269719 is a deficient number, since it is larger than the sum of its proper divisors (15701171497).

87085269719 is a wasteful number, since it uses less digits than its factorization.

87085269719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194966.

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 87085269719 in words is "eighty-seven billion, eighty-five million, two hundred sixty-nine thousand, seven hundred nineteen".