87149337855 has 8 divisors (see below), whose sum is σ = 139438940592. Its totient is φ = 46479646848.

The previous prime is 87149337787. The next prime is 87149337901. The reversal of 87149337855 is 55873394178.

It is a happy number.

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

It is not a de Polignac number, because 87149337855 - 2⁸ = 87149337599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904977914 + ... + 2904977943.

It is an arithmetic number, because the mean of its divisors is an integer number (17429867574).

Almost surely, 2^87149337855 is an apocalyptic number.

87149337855 is a deficient number, since it is larger than the sum of its proper divisors (52289602737).

87149337855 is a wasteful number, since it uses less digits than its factorization.

87149337855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809955865.

The product of its digits is 25401600, while the sum is 60.

The spelling of 87149337855 in words is "eighty-seven billion, one hundred forty-nine million, three hundred thirty-seven thousand, eight hundred fifty-five".