87066222563 has 4 divisors (see below), whose sum is σ = 87084995520. Its totient is φ = 87047449608.

The previous prime is 87066222547. The next prime is 87066222569. The reversal of 87066222563 is 36522266078.

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 87066222563 - 2⁴ = 87066222547 is a prime.

It is a super-2 number, since 2×87066222563² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87066222569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9379520 + ... + 9388797.

It is an arithmetic number, because the mean of its divisors is an integer number (21771248880).

Almost surely, 2^87066222563 is an apocalyptic number.

87066222563 is a deficient number, since it is larger than the sum of its proper divisors (18772957).

87066222563 is a wasteful number, since it uses less digits than its factorization.

87066222563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772956.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 87066222563 in words is "eighty-seven billion, sixty-six million, two hundred twenty-two thousand, five hundred sixty-three".