68859649400 has 48 divisors (see below), whose sum is σ = 167059508400. Its totient is φ = 26346298880.

The previous prime is 68859649367. The next prime is 68859649433. The reversal of 68859649400 is 494695886.

It is an interprime number because it is at equal distance from previous prime (68859649367) and next prime (68859649433).

It is a self number, because there is not a number n which added to its sum of digits gives 68859649400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7480145 + ... + 7489344.

It is an arithmetic number, because the mean of its divisors is an integer number (3480406425).

Almost surely, 2^68859649400 is an apocalyptic number.

It is an amenable number.

68859649400 is an abundant number, since it is smaller than the sum of its proper divisors (98199859000).

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

68859649400 is a wasteful number, since it uses less digits than its factorization.

68859649400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14969528 (or 14969519 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 68859649400 in words is "sixty-eight billion, eight hundred fifty-nine million, six hundred forty-nine thousand, four hundred".