85429327045 has 4 divisors (see below), whose sum is σ = 102515192460. Its totient is φ = 68343461632.

The previous prime is 85429327007. The next prime is 85429327069. The reversal of 85429327045 is 54072392458.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45011441281 + 40417885764 = 212159^2 + 201042^2 .

It is a cyclic number.

It is not a de Polignac number, because 85429327045 - 2²³ = 85420938437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85429327045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8542932700 + ... + 8542932709.

It is an arithmetic number, because the mean of its divisors is an integer number (25628798115).

Almost surely, 2^85429327045 is an apocalyptic number.

It is an amenable number.

85429327045 is a deficient number, since it is larger than the sum of its proper divisors (17085865415).

85429327045 is a wasteful number, since it uses less digits than its factorization.

85429327045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085865414.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 85429327045 in words is "eighty-five billion, four hundred twenty-nine million, three hundred twenty-seven thousand, forty-five".