85838733378015 has 96 divisors (see below), whose sum is σ = 141347246476800. Its totient is φ = 44472335136768.

The previous prime is 85838733377977. The next prime is 85838733378023. The reversal of 85838733378015 is 51087333783858.

It is not a de Polignac number, because 85838733378015 - 2⁶ = 85838733377951 is a prime.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 2553719349 + ... + 2553752961.

It is an arithmetic number, because the mean of its divisors is an integer number (1472367150800).

Almost surely, 2^{85838733378015} is an apocalyptic number.

85838733378015 is a deficient number, since it is larger than the sum of its proper divisors (55508513098785).

85838733378015 is a wasteful number, since it uses less digits than its factorization.

85838733378015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34113 (or 34000 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 69.

The spelling of 85838733378015 in words is "eighty-five trillion, eight hundred thirty-eight billion, seven hundred thirty-three million, three hundred seventy-eight thousand, fifteen".