78535460453585 has 8 divisors (see below), whose sum is σ = 94499344242816. Its totient is φ = 62657173897200.

The previous prime is 78535460453581. The next prime is 78535460453641. The reversal of 78535460453585 is 58535406453587.

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

It is not a de Polignac number, because 78535460453585 - 2² = 78535460453581 is a prime.

It is a super-2 number, since 2×78535460453585² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78535460453581) 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, 21399306191 + ... + 21399309860.

It is an arithmetic number, because the mean of its divisors is an integer number (11812418030352).

Almost surely, 2^{78535460453585} is an apocalyptic number.

It is an amenable number.

78535460453585 is a deficient number, since it is larger than the sum of its proper divisors (15963883789231).

78535460453585 is a wasteful number, since it uses less digits than its factorization.

78535460453585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798616423.

The product of its (nonzero) digits is 1209600000, while the sum is 68.

The spelling of 78535460453585 in words is "seventy-eight trillion, five hundred thirty-five billion, four hundred sixty million, four hundred fifty-three thousand, five hundred eighty-five".