78889103814085 has 32 divisors (see below), whose sum is σ = 98821843845120. Its totient is φ = 60343507285248.

The previous prime is 78889103814061. The next prime is 78889103814091. The reversal of 78889103814085 is 58041830198887.

It is a cyclic number.

It is not a de Polignac number, because 78889103814085 - 2²¹ = 78889101716933 is a prime.

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, 3869189071 + ... + 3869209459.

It is an arithmetic number, because the mean of its divisors is an integer number (3088182620160).

Almost surely, 2^{78889103814085} is an apocalyptic number.

It is an amenable number.

78889103814085 is a deficient number, since it is larger than the sum of its proper divisors (19932740031035).

78889103814085 is a wasteful number, since it uses less digits than its factorization.

78889103814085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32037.

The product of its (nonzero) digits is 123863040, while the sum is 70.

The spelling of 78889103814085 in words is "seventy-eight trillion, eight hundred eighty-nine billion, one hundred three million, eight hundred fourteen thousand, eighty-five".