537117638 has 8 divisors (see below), whose sum is σ = 808427088. Its totient is φ = 267641944.

The previous prime is 537117629. The next prime is 537117653. The reversal of 537117638 is 836711735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 537117595 and 537117604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457706 + ... + 458877.

It is an arithmetic number, because the mean of its divisors is an integer number (101053386).

Almost surely, 2^537117638 is an apocalyptic number.

537117638 is a deficient number, since it is larger than the sum of its proper divisors (271309450).

537117638 is a wasteful number, since it uses less digits than its factorization.

537117638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916878.

The product of its digits is 105840, while the sum is 41.

The square root of 537117638 is about 23175.7985407192. The cubic root of 537117638 is about 812.8738227115.

The spelling of 537117638 in words is "five hundred thirty-seven million, one hundred seventeen thousand, six hundred thirty-eight".