812479653347327 has 32 divisors (see below), whose sum is σ = 969829560932352. Its totient is φ = 665507178445824.

The previous prime is 812479653347293. The next prime is 812479653347333. The reversal of 812479653347327 is 723743356974218.

It is a Cunningham number, because it is equal to 93312³-1.

It is a cyclic number.

It is not a de Polignac number, because 812479653347327 - 2¹⁰ = 812479653346303 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812479653347357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944717303 + ... + 945576935.

It is an arithmetic number, because the mean of its divisors is an integer number (30307173779136).

Almost surely, 2^{812479653347327} is an apocalyptic number.

812479653347327 is a deficient number, since it is larger than the sum of its proper divisors (157349907585025).

812479653347327 is a wasteful number, since it uses less digits than its factorization.

812479653347327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865167.

The product of its digits is 1280240640, while the sum is 71.

The spelling of 812479653347327 in words is "eight hundred twelve trillion, four hundred seventy-nine billion, six hundred fifty-three million, three hundred forty-seven thousand, three hundred twenty-seven".