78174072133 has 8 divisors (see below), whose sum is σ = 78487661952. Its totient is φ = 77860555776.

The previous prime is 78174072103. The next prime is 78174072139. The reversal of 78174072133 is 33127047187.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78174072133 is a prime.

It is a super-2 number, since 2×78174072133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78174072133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78174072139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305316 + ... + 3328882.

It is an arithmetic number, because the mean of its divisors is an integer number (9810957744).

Almost surely, 2^78174072133 is an apocalyptic number.

It is an amenable number.

78174072133 is a deficient number, since it is larger than the sum of its proper divisors (313589819).

78174072133 is a wasteful number, since it uses less digits than its factorization.

78174072133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36731.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 78174072133 in words is "seventy-eight billion, one hundred seventy-four million, seventy-two thousand, one hundred thirty-three".