87679957922 has 8 divisors (see below), whose sum is σ = 133321580076. Its totient is φ = 43239431232.

The previous prime is 87679957921. The next prime is 87679957943. The reversal of 87679957922 is 22975997678.

It can be written as a sum of positive squares in 2 ways, for example, as 77801387041 + 9878570881 = 278929^2 + 99391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87679957921) 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, 300273683 + ... + 300273974.

Almost surely, 2^87679957922 is an apocalyptic number.

87679957922 is a deficient number, since it is larger than the sum of its proper divisors (45641622154).

87679957922 is a wasteful number, since it uses less digits than its factorization.

87679957922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600547732.

The product of its digits is 240045120, while the sum is 71.

The spelling of 87679957922 in words is "eighty-seven billion, six hundred seventy-nine million, nine hundred fifty-seven thousand, nine hundred twenty-two".