85280212 has 6 divisors (see below), whose sum is σ = 149240378. Its totient is φ = 42640104.

The previous prime is 85280207. The next prime is 85280323. The reversal of 85280212 is 21208258.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 13456 = 9234^2 + 116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10660023 + ... + 10660030.

Almost surely, 2^85280212 is an apocalyptic number.

It is an amenable number.

85280212 is a deficient number, since it is larger than the sum of its proper divisors (63960166).

85280212 is a wasteful number, since it uses less digits than its factorization.

85280212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21320057 (or 21320055 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 85280212 is about 9234.7285829092. The cubic root of 85280212 is about 440.1655919424.

The spelling of 85280212 in words is "eighty-five million, two hundred eighty thousand, two hundred twelve".