87667744488343 has 4 divisors (see below), whose sum is σ = 87667833312288. Its totient is φ = 87667655664400.

The previous prime is 87667744488323. The next prime is 87667744488371. The reversal of 87667744488343 is 34388444776678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87667744488343 - 2²¹ = 87667742391191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87667744488323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42914671 + ... + 44911072.

It is an arithmetic number, because the mean of its divisors is an integer number (21916958328072).

Almost surely, 2^{87667744488343} is an apocalyptic number.

87667744488343 is a deficient number, since it is larger than the sum of its proper divisors (88823945).

87667744488343 is an equidigital number, since it uses as much as digits as its factorization.

87667744488343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88823944.

The product of its digits is 14566293504, while the sum is 79.

The spelling of 87667744488343 in words is "eighty-seven trillion, six hundred sixty-seven billion, seven hundred forty-four million, four hundred eighty-eight thousand, three hundred forty-three".