86535474129 has 12 divisors (see below), whose sum is σ = 134610737716. Its totient is φ = 53252599392.

The previous prime is 86535474107. The next prime is 86535474131. The reversal of 86535474129 is 92147453568.

It is a happy number.

86535474129 is a `hidden beast` number, since 8 + 6 + 53 + 547 + 41 + 2 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5310474129 + 81225000000 = 72873^2 + 285000^2 .

It is not a de Polignac number, because 86535474129 - 2⁵ = 86535474097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86535474149) 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, 369809602 + ... + 369809835.

Almost surely, 2^86535474129 is an apocalyptic number.

It is an amenable number.

86535474129 is a deficient number, since it is larger than the sum of its proper divisors (48075263587).

86535474129 is a wasteful number, since it uses less digits than its factorization.

86535474129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739619456 (or 739619453 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 86535474129 in words is "eighty-six billion, five hundred thirty-five million, four hundred seventy-four thousand, one hundred twenty-nine".