68697206400 has 192 divisors, whose sum is σ = 228350786400. Its totient is φ = 18150912000.

The previous prime is 68697206399. The next prime is 68697206419. The reversal of 68697206400 is 460279686.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 68697206400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1013575 + ... + 1079225.

Almost surely, 2^68697206400 is an apocalyptic number.

68697206400 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 68697206400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114175393200).

68697206400 is an abundant number, since it is smaller than the sum of its proper divisors (159653580000).

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

68697206400 is a wasteful number, since it uses less digits than its factorization.

68697206400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65787 (or 65770 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 68697206400 in words is "sixty-eight billion, six hundred ninety-seven million, two hundred six thousand, four hundred".