85005400 has 24 divisors (see below), whose sum is σ = 197638020. Its totient is φ = 34002080.

The previous prime is 85005377. The next prime is 85005407. The reversal of 85005400 is 450058.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85005407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212314 + ... + 212713.

Almost surely, 2^85005400 is an apocalyptic number.

It is an amenable number.

85005400 is an abundant number, since it is smaller than the sum of its proper divisors (112632620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85005400 is a wasteful number, since it uses less digits than its factorization.

85005400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425043 (or 425034 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 85005400 is about 9219.8373087598. The cubic root of 85005400 is about 439.6922779521.

Adding to 85005400 its reverse (450058), we get a palindrome (85455458).

The spelling of 85005400 in words is "eighty-five million, five thousand, four hundred".