87968188035 has 96 divisors (see below), whose sum is σ = 193719472128. Its totient is φ = 35923150080.

The previous prime is 87968188031. The next prime is 87968188051. The reversal of 87968188035 is 53088186978.

It is not a de Polignac number, because 87968188035 - 2² = 87968188031 is a prime.

It is a super-2 number, since 2×87968188035² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (87968188031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 219537 + ... + 473426.

It is an arithmetic number, because the mean of its divisors is an integer number (2017911168).

Almost surely, 2^87968188035 is an apocalyptic number.

87968188035 is an abundant number, since it is smaller than the sum of its proper divisors (105751284093).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87968188035 is a wasteful number, since it uses less digits than its factorization.

87968188035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693025 (or 693022 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 87968188035 in words is "eighty-seven billion, nine hundred sixty-eight million, one hundred eighty-eight thousand, thirty-five".