867638128233353 has 8 divisors (see below), whose sum is σ = 905746621522176. Its totient is φ = 829561726312000.

The previous prime is 867638128233329. The next prime is 867638128233439. The reversal of 867638128233353 is 353332821836768.

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 867638128233353 - 2²⁶ = 867638061124489 is a prime.

It is a super-3 number, since 3×867638128233353³ (a number of 46 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867638128233313) 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, 8022786608 + ... + 8022894753.

It is an arithmetic number, because the mean of its divisors is an integer number (113218327690272).

Almost surely, 2^{867638128233353} is an apocalyptic number.

It is an amenable number.

867638128233353 is a deficient number, since it is larger than the sum of its proper divisors (38108493288823).

867638128233353 is a wasteful number, since it uses less digits than its factorization.

867638128233353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16045683735.

The product of its digits is 627056640, while the sum is 68.

The spelling of 867638128233353 in words is "eight hundred sixty-seven trillion, six hundred thirty-eight billion, one hundred twenty-eight million, two hundred thirty-three thousand, three hundred fifty-three".