85401547 has 16 divisors (see below), whose sum is σ = 106732800. Its totient is φ = 66385440.

The previous prime is 85401541. The next prime is 85401551. The reversal of 85401547 is 74510458.

It is not a de Polignac number, because 85401547 - 2³ = 85401539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85401541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38104 + ... + 40282.

It is an arithmetic number, because the mean of its divisors is an integer number (6670800).

Almost surely, 2^85401547 is an apocalyptic number.

85401547 is a deficient number, since it is larger than the sum of its proper divisors (21331253).

85401547 is a wasteful number, since it uses less digits than its factorization.

85401547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 85401547 is about 9241.2957424811. The cubic root of 85401547 is about 440.3742459854.

The spelling of 85401547 in words is "eighty-five million, four hundred one thousand, five hundred forty-seven".