78275828027833 has 4 divisors (see below), whose sum is σ = 78299846388880. Its totient is φ = 78251809666788.

The previous prime is 78275828027821. The next prime is 78275828027843. The reversal of 78275828027833 is 33872082857287.

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 a de Polignac number, because none of the positive numbers 2^k-78275828027833 is a prime.

It is a super-2 number, since 2×78275828027833² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78275828027843) 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, 12009175635 + ... + 12009182152.

It is an arithmetic number, because the mean of its divisors is an integer number (19574961597220).

Almost surely, 2^{78275828027833} is an apocalyptic number.

It is an amenable number.

78275828027833 is a deficient number, since it is larger than the sum of its proper divisors (24018361047).

78275828027833 is a wasteful number, since it uses less digits than its factorization.

78275828027833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018361046.

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 78275828027833 in words is "seventy-eight trillion, two hundred seventy-five billion, eight hundred twenty-eight million, twenty-seven thousand, eight hundred thirty-three".