68528699700 has 144 divisors (see below), whose sum is σ = 203325319680. Its totient is φ = 17809920000.

The previous prime is 68528699693. The next prime is 68528699717. The reversal of 68528699700 is 799682586.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14769981 + ... + 14774619.

Almost surely, 2^68528699700 is an apocalyptic number.

68528699700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68528699700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101662659840).

68528699700 is an abundant number, since it is smaller than the sum of its proper divisors (134796619980).

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

68528699700 is a wasteful number, since it uses less digits than its factorization.

68528699700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 68528699700 in words is "sixty-eight billion, five hundred twenty-eight million, six hundred ninety-nine thousand, seven hundred".