67097378028 has 24 divisors (see below), whose sum is σ = 157521047488. Its totient is φ = 22228578576.

The previous prime is 67097377999. The next prime is 67097378057. The reversal of 67097378028 is 82087379076.

It is an interprime number because it is at equal distance from previous prime (67097377999) and next prime (67097378057).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17149726 + ... + 17153637.

Almost surely, 2^67097378028 is an apocalyptic number.

It is an amenable number.

67097378028 is an abundant number, since it is smaller than the sum of its proper divisors (90423669460).

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

67097378028 is a wasteful number, since it uses less digits than its factorization.

67097378028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303533 (or 34303531 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 67097378028 in words is "sixty-seven billion, ninety-seven million, three hundred seventy-eight thousand, twenty-eight".