85005885254 has 4 divisors (see below), whose sum is σ = 127508827884. Its totient is φ = 42502942626.

The previous prime is 85005885149. The next prime is 85005885257. The reversal of 85005885254 is 45258850058.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85005885257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251471312 + ... + 21251471315.

It is an arithmetic number, because the mean of its divisors is an integer number (31877206971).

Almost surely, 2^85005885254 is an apocalyptic number.

85005885254 is a deficient number, since it is larger than the sum of its proper divisors (42502942630).

85005885254 is a wasteful number, since it uses less digits than its factorization.

85005885254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42502942629.

The product of its (nonzero) digits is 2560000, while the sum is 50.

The spelling of 85005885254 in words is "eighty-five billion, five million, eight hundred eighty-five thousand, two hundred fifty-four".