87120610222 has 16 divisors (see below), whose sum is σ = 130925246400. Its totient is φ = 43478920800.

The previous prime is 87120610211. The next prime is 87120610223. The reversal of 87120610222 is 22201602178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87120610223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249472 + ... + 3276172.

It is an arithmetic number, because the mean of its divisors is an integer number (8182827900).

Almost surely, 2^87120610222 is an apocalyptic number.

87120610222 is a deficient number, since it is larger than the sum of its proper divisors (43804636178).

87120610222 is a wasteful number, since it uses less digits than its factorization.

87120610222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 87120610222 in words is "eighty-seven billion, one hundred twenty million, six hundred ten thousand, two hundred twenty-two".