78504134723027 has 8 divisors (see below), whose sum is σ = 84552748439376. Its totient is φ = 72456925881312.

The previous prime is 78504134722997. The next prime is 78504134723051. The reversal of 78504134723027 is 72032743140587.

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

It is a cyclic number.

It is not a de Polignac number, because 78504134723027 - 2¹⁸ = 78504134460883 is a prime.

It is a super-2 number, since 2×78504134723027² (a number of 29 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 78504134723027.

It is not an unprimeable number, because it can be changed into a prime (78504134720027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351102593 + ... + 351326114.

It is an arithmetic number, because the mean of its divisors is an integer number (10569093554922).

Almost surely, 2^{78504134723027} is an apocalyptic number.

78504134723027 is a deficient number, since it is larger than the sum of its proper divisors (6048613716349).

78504134723027 is a wasteful number, since it uses less digits than its factorization.

78504134723027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702437317.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 78504134723027 in words is "seventy-eight trillion, five hundred four billion, one hundred thirty-four million, seven hundred twenty-three thousand, twenty-seven".