82748438715634 has 4 divisors (see below), whose sum is σ = 124122658073454. Its totient is φ = 41374219357816.

The previous prime is 82748438715617. The next prime is 82748438715637. The reversal of 82748438715634 is 43651783484728.

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

It can be written as a sum of positive squares in only one way, i.e., 77076196283025 + 5672242432609 = 8779305^2 + 2381647^2 .

It is not an unprimeable number, because it can be changed into a prime (82748438715637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20687109678907 + ... + 20687109678910.

Almost surely, 2^{82748438715634} is an apocalyptic number.

82748438715634 is a deficient number, since it is larger than the sum of its proper divisors (41374219357820).

82748438715634 is a wasteful number, since it uses less digits than its factorization.

82748438715634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41374219357819.

The product of its digits is 867041280, while the sum is 70.

The spelling of 82748438715634 in words is "eighty-two trillion, seven hundred forty-eight billion, four hundred thirty-eight million, seven hundred fifteen thousand, six hundred thirty-four".