67088120257 has 4 divisors (see below), whose sum is σ = 67489845696. Its totient is φ = 66686394820.

The previous prime is 67088120191. The next prime is 67088120287. The reversal of 67088120257 is 75202188076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67088120257 - 2¹⁵ = 67088087489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67088120287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200862469 + ... + 200862802.

It is an arithmetic number, because the mean of its divisors is an integer number (16872461424).

Almost surely, 2^67088120257 is an apocalyptic number.

It is an amenable number.

67088120257 is a deficient number, since it is larger than the sum of its proper divisors (401725439).

67088120257 is a wasteful number, since it uses less digits than its factorization.

67088120257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401725438.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 67088120257 in words is "sixty-seven billion, eighty-eight million, one hundred twenty thousand, two hundred fifty-seven".