87151627866551 has 4 divisors (see below), whose sum is σ = 87152191020000. Its totient is φ = 87151064713104.

The previous prime is 87151627866521. The next prime is 87151627866571. The reversal of 87151627866551 is 15566872615178.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87151627866551 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 (87151627866521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281344526 + ... + 281654123.

It is an arithmetic number, because the mean of its divisors is an integer number (21788047755000).

Almost surely, 2^{87151627866551} is an apocalyptic number.

87151627866551 is a deficient number, since it is larger than the sum of its proper divisors (563153449).

87151627866551 is a wasteful number, since it uses less digits than its factorization.

87151627866551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563153448.

The product of its digits is 169344000, while the sum is 68.

The spelling of 87151627866551 in words is "eighty-seven trillion, one hundred fifty-one billion, six hundred twenty-seven million, eight hundred sixty-six thousand, five hundred fifty-one".