78462882456405 has 32 divisors (see below), whose sum is σ = 125642929192704. Its totient is φ = 41812767000576.

The previous prime is 78462882456331. The next prime is 78462882456421. The reversal of 78462882456405 is 50465428826487.

It is not a de Polignac number, because 78462882456405 - 2²³ = 78462874067797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78462882456405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999526117 + ... + 999604613.

It is an arithmetic number, because the mean of its divisors is an integer number (3926341537272).

Almost surely, 2^{78462882456405} is an apocalyptic number.

It is an amenable number.

78462882456405 is a deficient number, since it is larger than the sum of its proper divisors (47180046736299).

78462882456405 is a wasteful number, since it uses less digits than its factorization.

78462882456405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131965.

The product of its (nonzero) digits is 825753600, while the sum is 69.

The spelling of 78462882456405 in words is "seventy-eight trillion, four hundred sixty-two billion, eight hundred eighty-two million, four hundred fifty-six thousand, four hundred five".