85471400 has 48 divisors (see below), whose sum is σ = 227113440. Its totient is φ = 29304000.

The previous prime is 85471387. The next prime is 85471403. The reversal of 85471400 is 417458.

It is not an unprimeable number, because it can be changed into a prime (85471403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29126 + ... + 31925.

It is an arithmetic number, because the mean of its divisors is an integer number (4731530).

Almost surely, 2^85471400 is an apocalyptic number.

It is an amenable number.

85471400 is an abundant number, since it is smaller than the sum of its proper divisors (141642040).

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

85471400 is a wasteful number, since it uses less digits than its factorization.

85471400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61074 (or 61065 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 85471400 is about 9245.0743642223. The cubic root of 85471400 is about 440.4942792483.

Adding to 85471400 its reverse (417458), we get a palindrome (85888858).

The spelling of 85471400 in words is "eighty-five million, four hundred seventy-one thousand, four hundred".