78535514210465 has 32 divisors (see below), whose sum is σ = 101536090911360. Its totient is φ = 57970295760384.

The previous prime is 78535514210443. The next prime is 78535514210497. The reversal of 78535514210465 is 56401241553587.

It is a cyclic number.

It is not a de Polignac number, because 78535514210465 - 2¹⁰ = 78535514209441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78535514210465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538107106 + ... + 1538158164.

It is an arithmetic number, because the mean of its divisors is an integer number (3173002840980).

Almost surely, 2^{78535514210465} is an apocalyptic number.

It is an amenable number.

78535514210465 is a deficient number, since it is larger than the sum of its proper divisors (23000576700895).

78535514210465 is a wasteful number, since it uses less digits than its factorization.

78535514210465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60881.

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 78535514210465 in words is "seventy-eight trillion, five hundred thirty-five billion, five hundred fourteen million, two hundred ten thousand, four hundred sixty-five".