87670071337487 has 4 divisors (see below), whose sum is σ = 88228479435336. Its totient is φ = 87111663239640.

The previous prime is 87670071337427. The next prime is 87670071337577. The reversal of 87670071337487 is 78473317007678.

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 87670071337487 - 2³⁶ = 87601351860751 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 (87670071337427) 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, 279204048689 + ... + 279204049002.

It is an arithmetic number, because the mean of its divisors is an integer number (22057119858834).

Almost surely, 2^{87670071337487} is an apocalyptic number.

87670071337487 is a deficient number, since it is larger than the sum of its proper divisors (558408097849).

87670071337487 is a wasteful number, since it uses less digits than its factorization.

87670071337487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558408097848.

The product of its (nonzero) digits is 232339968, while the sum is 68.

The spelling of 87670071337487 in words is "eighty-seven trillion, six hundred seventy billion, seventy-one million, three hundred thirty-seven thousand, four hundred eighty-seven".