87347517269 has 8 divisors (see below), whose sum is σ = 91962612000. Its totient is φ = 82734208272.

The previous prime is 87347517251. The next prime is 87347517277. The reversal of 87347517269 is 96271574378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87347517269 - 2²⁸ = 87079081813 is a prime.

It is a super-2 number, since 2×87347517269² (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 (87347513269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345434 + ... + 542235.

It is an arithmetic number, because the mean of its divisors is an integer number (11495326500).

Almost surely, 2^87347517269 is an apocalyptic number.

It is an amenable number.

87347517269 is a deficient number, since it is larger than the sum of its proper divisors (4615094731).

87347517269 is a wasteful number, since it uses less digits than its factorization.

87347517269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892867.

The product of its digits is 17781120, while the sum is 59.

The spelling of 87347517269 in words is "eighty-seven billion, three hundred forty-seven million, five hundred seventeen thousand, two hundred sixty-nine".