68587785310 has 16 divisors (see below), whose sum is σ = 134681469552. Its totient is φ = 24941012800.

The previous prime is 68587785281. The next prime is 68587785311. The reversal of 68587785310 is 1358778586.

It is a happy number.

It is a super-2 number, since 2×68587785310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68587785311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311762551 + ... + 311762770.

It is an arithmetic number, because the mean of its divisors is an integer number (8417591847).

Almost surely, 2^68587785310 is an apocalyptic number.

68587785310 is a deficient number, since it is larger than the sum of its proper divisors (66093684242).

68587785310 is a wasteful number, since it uses less digits than its factorization.

68587785310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623525339.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 68587785310 in words is "sixty-eight billion, five hundred eighty-seven million, seven hundred eighty-five thousand, three hundred ten".