538460477 has 4 divisors (see below), whose sum is σ = 539041020. Its totient is φ = 537879936.

The previous prime is 538460471. The next prime is 538460479. The reversal of 538460477 is 774064835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175138756 + 363321721 = 13234^2 + 19061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538460477 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 (538460471) 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, 288878 + ... + 290735.

It is an arithmetic number, because the mean of its divisors is an integer number (134760255).

Almost surely, 2^538460477 is an apocalyptic number.

It is an amenable number.

538460477 is a deficient number, since it is larger than the sum of its proper divisors (580543).

538460477 is an equidigital number, since it uses as much as digits as its factorization.

538460477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580542.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 538460477 is about 23204.7511729818. The cubic root of 538460477 is about 813.5506764662.

The spelling of 538460477 in words is "five hundred thirty-eight million, four hundred sixty thousand, four hundred seventy-seven".