87493055063 has 4 divisors (see below), whose sum is σ = 87494437080. Its totient is φ = 87491673048.

The previous prime is 87493055059. The next prime is 87493055077. The reversal of 87493055063 is 36055039478.

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 87493055063 - 2² = 87493055059 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 (87493058063) 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, 591245 + ... + 724262.

It is an arithmetic number, because the mean of its divisors is an integer number (21873609270).

Almost surely, 2^87493055063 is an apocalyptic number.

87493055063 is a deficient number, since it is larger than the sum of its proper divisors (1382017).

87493055063 is a wasteful number, since it uses less digits than its factorization.

87493055063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382016.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 87493055063 in words is "eighty-seven billion, four hundred ninety-three million, fifty-five thousand, sixty-three".