5172507387 has 24 divisors (see below), whose sum is σ = 7857952128. Its totient is φ = 3274128000.

The previous prime is 5172507377. The next prime is 5172507391. The reversal of 5172507387 is 7837052715.

5172507387 is a `hidden beast` number, since 5 + 17 + 250 + 7 + 387 = 666.

It is not a de Polignac number, because 5172507387 - 2⁷ = 5172507259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5172507377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160114 + ... + 189687.

It is an arithmetic number, because the mean of its divisors is an integer number (327414672).

Almost surely, 2^5172507387 is an apocalyptic number.

5172507387 is a deficient number, since it is larger than the sum of its proper divisors (2685444741).

5172507387 is a wasteful number, since it uses less digits than its factorization.

5172507387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349891 (or 349888 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 5172507387 is about 71920.1459050244. The cubic root of 5172507387 is about 1729.4195862193.

The spelling of 5172507387 in words is "five billion, one hundred seventy-two million, five hundred seven thousand, three hundred eighty-seven".