87222142858 has 8 divisors (see below), whose sum is σ = 134024268420. Its totient is φ = 42547386720.

The previous prime is 87222142837. The next prime is 87222142867. The reversal of 87222142858 is 85824122278.

It can be written as a sum of positive squares in 2 ways, for example, as 87141268809 + 80874049 = 295197^2 + 8993^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531842253 + ... + 531842416.

Almost surely, 2^87222142858 is an apocalyptic number.

87222142858 is a deficient number, since it is larger than the sum of its proper divisors (46802125562).

87222142858 is a wasteful number, since it uses less digits than its factorization.

87222142858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063684712.

The product of its digits is 1146880, while the sum is 49.

The spelling of 87222142858 in words is "eighty-seven billion, two hundred twenty-two million, one hundred forty-two thousand, eight hundred fifty-eight".