78535485581073 has 8 divisors (see below), whose sum is σ = 104714056705536. Its totient is φ = 52356952422000.

The previous prime is 78535485581039. The next prime is 78535485581093. The reversal of 78535485581073 is 37018558453587.

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

It is not a de Polignac number, because 78535485581073 - 2⁹ = 78535485580561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78535485580989 and 78535485581007.

It is not an unprimeable number, because it can be changed into a prime (78535485581093) 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, 4251318 + ... + 13234223.

It is an arithmetic number, because the mean of its divisors is an integer number (13089257088192).

Almost surely, 2^{78535485581073} is an apocalyptic number.

It is an amenable number.

78535485581073 is a deficient number, since it is larger than the sum of its proper divisors (26178571124463).

78535485581073 is a wasteful number, since it uses less digits than its factorization.

78535485581073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982695.

The product of its (nonzero) digits is 564480000, while the sum is 69.

The spelling of 78535485581073 in words is "seventy-eight trillion, five hundred thirty-five billion, four hundred eighty-five million, five hundred eighty-one thousand, seventy-three".