537638727896 has 8 divisors (see below), whose sum is σ = 1008072614820. Its totient is φ = 268819363944.

The previous prime is 537638727893. The next prime is 537638727919. The reversal of 537638727896 is 698727836735.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537638727893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33602420486 + ... + 33602420501.

Almost surely, 2^537638727896 is an apocalyptic number.

It is an amenable number.

537638727896 is a deficient number, since it is larger than the sum of its proper divisors (470433886924).

537638727896 is a wasteful number, since it uses less digits than its factorization.

537638727896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67204840993 (or 67204840989 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 71.

The spelling of 537638727896 in words is "five hundred thirty-seven billion, six hundred thirty-eight million, seven hundred twenty-seven thousand, eight hundred ninety-six".