78218846277133 has 16 divisors (see below), whose sum is σ = 82989395968000. Its totient is φ = 73513750150512.

The previous prime is 78218846277083. The next prime is 78218846277137. The reversal of 78218846277133 is 33177264881287.

It is a cyclic number.

It is not a de Polignac number, because 78218846277133 - 2⁴⁵ = 43034474188301 is a prime.

It is a super-2 number, since 2×78218846277133² (a number of 29 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 (78218846277137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35906728 + ... + 38022766.

It is an arithmetic number, because the mean of its divisors is an integer number (5186837248000).

Almost surely, 2^{78218846277133} is an apocalyptic number.

It is an amenable number.

78218846277133 is a deficient number, since it is larger than the sum of its proper divisors (4770549690867).

78218846277133 is a wasteful number, since it uses less digits than its factorization.

78218846277133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131504.

The product of its digits is 151732224, while the sum is 67.

The spelling of 78218846277133 in words is "seventy-eight trillion, two hundred eighteen billion, eight hundred forty-six million, two hundred seventy-seven thousand, one hundred thirty-three".