538278671 has 12 divisors (see below), whose sum is σ = 626797080. Its totient is φ = 460913040.

The previous prime is 538278659. The next prime is 538278679. The reversal of 538278671 is 176872835.

It is a happy number.

It is not a de Polignac number, because 538278671 - 2¹⁴ = 538262287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538278679) 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, 48425 + ... + 58493.

It is an arithmetic number, because the mean of its divisors is an integer number (52233090).

Almost surely, 2^538278671 is an apocalyptic number.

538278671 is a deficient number, since it is larger than the sum of its proper divisors (88518409).

538278671 is a wasteful number, since it uses less digits than its factorization.

538278671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174 (or 11167 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 538278671 is about 23200.8334117548. The cubic root of 538278671 is about 813.4591036394.

The spelling of 538278671 in words is "five hundred thirty-eight million, two hundred seventy-eight thousand, six hundred seventy-one".