81467535482 has 8 divisors (see below), whose sum is σ = 122360214900. Its totient is φ = 40680797184.

The previous prime is 81467535481. The next prime is 81467535497. The reversal of 81467535482 is 28453576418.

It can be written as a sum of positive squares in 2 ways, for example, as 79930032961 + 1537502521 = 282719^2 + 39211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (81467535481) 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, 26483357 + ... + 26486432.

Almost surely, 2^81467535482 is an apocalyptic number.

81467535482 is a deficient number, since it is larger than the sum of its proper divisors (40892679418).

81467535482 is a wasteful number, since it uses less digits than its factorization.

81467535482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52970560.

The product of its digits is 6451200, while the sum is 53.

The spelling of 81467535482 in words is "eighty-one billion, four hundred sixty-seven million, five hundred thirty-five thousand, four hundred eighty-two".