85461615396 has 36 divisors (see below), whose sum is σ = 216085212252. Its totient is φ = 28479657024.

The previous prime is 85461615367. The next prime is 85461615397. The reversal of 85461615396 is 69351616458.

85461615396 is a `hidden beast` number, since 8 + 5 + 4 + 616 + 15 + 3 + 9 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34987702500 + 50473912896 = 187050^2 + 224664^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (85461615397) 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, 175915 + ... + 449298.

It is an arithmetic number, because the mean of its divisors is an integer number (6002367007).

Almost surely, 2^85461615396 is an apocalyptic number.

It is an amenable number.

85461615396 is an abundant number, since it is smaller than the sum of its proper divisors (130623596856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85461615396 is a wasteful number, since it uses less digits than its factorization.

85461615396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629020 (or 629015 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 85461615396 in words is "eighty-five billion, four hundred sixty-one million, six hundred fifteen thousand, three hundred ninety-six".