85436562725 has 24 divisors (see below), whose sum is σ = 106267841280. Its totient is φ = 68138928000.

The previous prime is 85436562713. The next prime is 85436562733. The reversal of 85436562725 is 52726563458.

It is a happy number.

It is not a de Polignac number, because 85436562725 - 2³⁰ = 84362820901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12904466 + ... + 12911084.

It is an arithmetic number, because the mean of its divisors is an integer number (4427826720).

Almost surely, 2^85436562725 is an apocalyptic number.

It is an amenable number.

85436562725 is a deficient number, since it is larger than the sum of its proper divisors (20831278555).

85436562725 is a wasteful number, since it uses less digits than its factorization.

85436562725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8141 (or 8136 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 53.

The spelling of 85436562725 in words is "eighty-five billion, four hundred thirty-six million, five hundred sixty-two thousand, seven hundred twenty-five".