87389279167 has 4 divisors (see below), whose sum is σ = 87619858120. Its totient is φ = 87158700216.

The previous prime is 87389279129. The next prime is 87389279191. The reversal of 87389279167 is 76197298378.

It is a happy number.

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 87389279167 - 2³⁵ = 53029540799 is a prime.

It is a super-2 number, since 2×87389279167² (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 (87389279767) 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, 115288908 + ... + 115289665.

It is an arithmetic number, because the mean of its divisors is an integer number (21904964530).

Almost surely, 2^87389279167 is an apocalyptic number.

87389279167 is a deficient number, since it is larger than the sum of its proper divisors (230578953).

87389279167 is a wasteful number, since it uses less digits than its factorization.

87389279167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230578952.

The product of its digits is 64012032, while the sum is 67.

The spelling of 87389279167 in words is "eighty-seven billion, three hundred eighty-nine million, two hundred seventy-nine thousand, one hundred sixty-seven".