68487078486 has 32 divisors (see below), whose sum is σ = 138425430528. Its totient is φ = 22587458400.

The previous prime is 68487078389. The next prime is 68487078487.

68487078486 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68487078487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860595 + ... + 936801.

It is an arithmetic number, because the mean of its divisors is an integer number (4325794704).

Almost surely, 2^68487078486 is an apocalyptic number.

68487078486 is an abundant number, since it is smaller than the sum of its proper divisors (69938352042).

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

68487078486 is a wasteful number, since it uses less digits than its factorization.

68487078486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77796.

The product of its (nonzero) digits is 115605504, while the sum is 66.

The spelling of 68487078486 in words is "sixty-eight billion, four hundred eighty-seven million, seventy-eight thousand, four hundred eighty-six".