85012455 has 16 divisors (see below), whose sum is σ = 148385664. Its totient is φ = 41218080.

The previous prime is 85012423. The next prime is 85012457. The reversal of 85012455 is 55421058.

It is not a de Polignac number, because 85012455 - 2⁵ = 85012423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85012457) 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, 257449 + ... + 257778.

It is an arithmetic number, because the mean of its divisors is an integer number (9274104).

Almost surely, 2^85012455 is an apocalyptic number.

85012455 is a deficient number, since it is larger than the sum of its proper divisors (63373209).

85012455 is a wasteful number, since it uses less digits than its factorization.

85012455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515246.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 85012455 is about 9220.2198997638. The cubic root of 85012455 is about 439.7044416625.

The spelling of 85012455 in words is "eighty-five million, twelve thousand, four hundred fifty-five".