78533446843151 has 8 divisors (see below), whose sum is σ = 80069416558320. Its totient is φ = 77009914130112.

The previous prime is 78533446843139. The next prime is 78533446843169. The reversal of 78533446843151 is 15134864433587.

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-78533446843151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78533446840151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109237781 + ... + 3109263038.

It is an arithmetic number, because the mean of its divisors is an integer number (10008677069790).

Almost surely, 2^{78533446843151} is an apocalyptic number.

78533446843151 is a deficient number, since it is larger than the sum of its proper divisors (1535969715169).

78533446843151 is a wasteful number, since it uses less digits than its factorization.

78533446843151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218501065.

The product of its digits is 116121600, while the sum is 62.

The spelling of 78533446843151 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred forty-six million, eight hundred forty-three thousand, one hundred fifty-one".