78858331605046 has 64 divisors (see below), whose sum is σ = 137252817377280. Its totient is φ = 33283311465600.

The previous prime is 78858331605017. The next prime is 78858331605047. The reversal of 78858331605046 is 64050613385887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78858331605047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1136203381 + ... + 1136272783.

It is an arithmetic number, because the mean of its divisors is an integer number (2144575271520).

Almost surely, 2^{78858331605046} is an apocalyptic number.

78858331605046 is a deficient number, since it is larger than the sum of its proper divisors (58394485772234).

78858331605046 is a wasteful number, since it uses less digits than its factorization.

78858331605046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73789.

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 78858331605046 in words is "seventy-eight trillion, eight hundred fifty-eight billion, three hundred thirty-one million, six hundred five thousand, forty-six".