508140775397 has 4 divisors (see below), whose sum is σ = 508178364960. Its totient is φ = 508103185836.

The previous prime is 508140775391. The next prime is 508140775421. The reversal of 508140775397 is 793577041805.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 508140775397 - 2¹² = 508140771301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508140775391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18774497 + ... + 18801542.

It is an arithmetic number, because the mean of its divisors is an integer number (127044591240).

Almost surely, 2^508140775397 is an apocalyptic number.

It is an amenable number.

508140775397 is a deficient number, since it is larger than the sum of its proper divisors (37589563).

508140775397 is a wasteful number, since it uses less digits than its factorization.

508140775397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37589562.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 508140775397 in words is "five hundred eight billion, one hundred forty million, seven hundred seventy-five thousand, three hundred ninety-seven".