87968019122 has 8 divisors (see below), whose sum is σ = 135170370972. Its totient is φ = 42911228800.

The previous prime is 87968019089. The next prime is 87968019143. The reversal of 87968019122 is 22191086978.

It can be written as a sum of positive squares in 2 ways, for example, as 59677115521 + 28290903601 = 244289^2 + 168199^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536390279 + ... + 536390442.

Almost surely, 2^87968019122 is an apocalyptic number.

87968019122 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

87968019122 is a deficient number, since it is larger than the sum of its proper divisors (47202351850).

87968019122 is a wasteful number, since it uses less digits than its factorization.

87968019122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072780764.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 87968019122 in words is "eighty-seven billion, nine hundred sixty-eight million, nineteen thousand, one hundred twenty-two".