5185170078 has 16 divisors (see below), whose sum is σ = 11313098496. Its totient is φ = 1571263640.

The previous prime is 5185170073. The next prime is 5185170127. The reversal of 5185170078 is 8700715815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185170073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39281526 + ... + 39281657.

It is an arithmetic number, because the mean of its divisors is an integer number (707068656).

Almost surely, 2^5185170078 is an apocalyptic number.

5185170078 is an abundant number, since it is smaller than the sum of its proper divisors (6127928418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5185170078 is a wasteful number, since it uses less digits than its factorization.

5185170078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78563199.

The product of its (nonzero) digits is 78400, while the sum is 42.

The square root of 5185170078 is about 72008.1250832154. The cubic root of 5185170078 is about 1730.8296863399.

The spelling of 5185170078 in words is "five billion, one hundred eighty-five million, one hundred seventy thousand, seventy-eight".