67227978000 has 160 divisors (see below), whose sum is σ = 220297364352. Its totient is φ = 17633472000.

The previous prime is 67227977983. The next prime is 67227978011. The reversal of 67227978000 is 87972276.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274159 + ... + 457841.

Almost surely, 2^67227978000 is an apocalyptic number.

67227978000 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 67227978000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110148682176).

67227978000 is an abundant number, since it is smaller than the sum of its proper divisors (153069386352).

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

67227978000 is a wasteful number, since it uses less digits than its factorization.

67227978000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183770 (or 183754 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 67227978000 in words is "sixty-seven billion, two hundred twenty-seven million, nine hundred seventy-eight thousand".