67078328284 has 48 divisors (see below), whose sum is σ = 128457778176. Its totient is φ = 30395288000.

The previous prime is 67078328269. The next prime is 67078328363. The reversal of 67078328284 is 48282387076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22915629 + ... + 22918555.

It is an arithmetic number, because the mean of its divisors is an integer number (2676203712).

Almost surely, 2^67078328284 is an apocalyptic number.

It is an amenable number.

67078328284 is a deficient number, since it is larger than the sum of its proper divisors (61379449892).

67078328284 is a wasteful number, since it uses less digits than its factorization.

67078328284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386 (or 4384 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 67078328284 in words is "sixty-seven billion, seventy-eight million, three hundred twenty-eight thousand, two hundred eighty-four".