5172637078 has 24 divisors (see below), whose sum is σ = 9196029792. Its totient is φ = 2175015024.

The previous prime is 5172637033. The next prime is 5172637079. The reversal of 5172637078 is 8707362715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172637079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492750 + ... + 503137.

It is an arithmetic number, because the mean of its divisors is an integer number (383167908).

Almost surely, 2^5172637078 is an apocalyptic number.

5172637078 is a deficient number, since it is larger than the sum of its proper divisors (4023392714).

5172637078 is a wasteful number, since it uses less digits than its factorization.

5172637078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995956 (or 995949 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 5172637078 is about 71921.0475313034. The cubic root of 5172637078 is about 1729.4340400915.

It can be divided in two parts, 51726 and 37078, that added together give a square (88804 = 298²).

The spelling of 5172637078 in words is "five billion, one hundred seventy-two million, six hundred thirty-seven thousand, seventy-eight".