68987810846 has 8 divisors (see below), whose sum is σ = 103483479960. Its totient is φ = 34493317528.

The previous prime is 68987810833. The next prime is 68987810849. The reversal of 68987810846 is 64801878986.

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

It is a super-3 number, since 3×68987810846³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68987810849) 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, 128681 + ... + 393108.

It is an arithmetic number, because the mean of its divisors is an integer number (12935434995).

Almost surely, 2^68987810846 is an apocalyptic number.

68987810846 is a deficient number, since it is larger than the sum of its proper divisors (34495669114).

68987810846 is a wasteful number, since it uses less digits than its factorization.

68987810846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587898.

The product of its (nonzero) digits is 37158912, while the sum is 65.

The spelling of 68987810846 in words is "sixty-eight billion, nine hundred eighty-seven million, eight hundred ten thousand, eight hundred forty-six".