67772358864 has 360 divisors, whose sum is σ = 231738153920. Its totient is φ = 18060226560.

The previous prime is 67772358859. The next prime is 67772358971. The reversal of 67772358864 is 46885327776.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 354829009 + ... + 354829199.

Almost surely, 2^67772358864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67772358864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115869076960).

67772358864 is an abundant number, since it is smaller than the sum of its proper divisors (163965795056).

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

67772358864 is a wasteful number, since it uses less digits than its factorization.

67772358864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 319 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 67772358864 in words is "sixty-seven billion, seven hundred seventy-two million, three hundred fifty-eight thousand, eight hundred sixty-four".