78275211263 has 8 divisors (see below), whose sum is σ = 78505729248. Its totient is φ = 78044861664.

The previous prime is 78275211251. The next prime is 78275211341. The reversal of 78275211263 is 36211257287.

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

It is a cyclic number.

It is not a de Polignac number, because 78275211263 - 2¹⁸ = 78274949119 is a prime.

It is a super-2 number, since 2×78275211263² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78275211233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921245 + ... + 1002617.

It is an arithmetic number, because the mean of its divisors is an integer number (9813216156).

Almost surely, 2^78275211263 is an apocalyptic number.

78275211263 is a deficient number, since it is larger than the sum of its proper divisors (230517985).

78275211263 is a wasteful number, since it uses less digits than its factorization.

78275211263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84193.

The product of its digits is 282240, while the sum is 44.

The spelling of 78275211263 in words is "seventy-eight billion, two hundred seventy-five million, two hundred eleven thousand, two hundred sixty-three".