67958397996 has 12 divisors (see below), whose sum is σ = 158569595352. Its totient is φ = 22652799328.

The previous prime is 67958397989. The next prime is 67958398003. The reversal of 67958397996 is 69979385976.

It is an interprime number because it is at equal distance from previous prime (67958397989) and next prime (67958398003).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831599905 + ... + 2831599928.

It is an arithmetic number, because the mean of its divisors is an integer number (13214132946).

Almost surely, 2^67958397996 is an apocalyptic number.

It is an amenable number.

67958397996 is an abundant number, since it is smaller than the sum of its proper divisors (90611197356).

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

67958397996 is a wasteful number, since it uses less digits than its factorization.

67958397996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663199840 (or 5663199838 counting only the distinct ones).

The product of its digits is 1388832480, while the sum is 78.

The spelling of 67958397996 in words is "sixty-seven billion, nine hundred fifty-eight million, three hundred ninety-seven thousand, nine hundred ninety-six".