67097000257 has 8 divisors (see below), whose sum is σ = 76687482816. Its totient is φ = 57507816912.

The previous prime is 67097000249. The next prime is 67097000359. The reversal of 67097000257 is 75200079076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67097000257 - 2³ = 67097000249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67097000057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211498 + ... + 422995.

It is an arithmetic number, because the mean of its divisors is an integer number (9585935352).

Almost surely, 2^67097000257 is an apocalyptic number.

67097000257 is the 211498-th pentagonal number.

It is an amenable number.

67097000257 is a deficient number, since it is larger than the sum of its proper divisors (9590482559).

67097000257 is a wasteful number, since it uses less digits than its factorization.

67097000257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649607.

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 67097000257 in words is "sixty-seven billion, ninety-seven million, two hundred fifty-seven", and thus it is an aban number.