85280105 has 8 divisors (see below), whose sum is σ = 103632000. Its totient is φ = 67360176.

The previous prime is 85280099. The next prime is 85280131. The reversal of 85280105 is 50108258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85280105 - 2⁴ = 85280089 is a prime.

It is a super-2 number, since 2×85280105² = 14545392617622050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107555 + ... + 108344.

It is an arithmetic number, because the mean of its divisors is an integer number (12954000).

Almost surely, 2^85280105 is an apocalyptic number.

It is an amenable number.

85280105 is a deficient number, since it is larger than the sum of its proper divisors (18351895).

85280105 is a wasteful number, since it uses less digits than its factorization.

85280105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215983.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 85280105 is about 9234.7227895590. The cubic root of 85280105 is about 440.1654078523.

The spelling of 85280105 in words is "eighty-five million, two hundred eighty thousand, one hundred five".