78533204133385 has 8 divisors (see below), whose sum is σ = 94242847660416. Its totient is φ = 62824561506480.

The previous prime is 78533204133301. The next prime is 78533204133409. The reversal of 78533204133385 is 58333140233587.

It is a happy number.

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

It is not a de Polignac number, because 78533204133385 - 2⁷ = 78533204133257 is a prime.

It is a super-3 number, since 3×78533204133385³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250052401 + ... + 250366270.

It is an arithmetic number, because the mean of its divisors is an integer number (11780355957552).

Almost surely, 2^{78533204133385} is an apocalyptic number.

It is an amenable number.

78533204133385 is a deficient number, since it is larger than the sum of its proper divisors (15709643527031).

78533204133385 is a wasteful number, since it uses less digits than its factorization.

78533204133385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500450063.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 78533204133385 in words is "seventy-eight trillion, five hundred thirty-three billion, two hundred four million, one hundred thirty-three thousand, three hundred eighty-five".