85079905 has 8 divisors (see below), whose sum is σ = 102195072. Its totient is φ = 67997808.

The previous prime is 85079899. The next prime is 85079927. The reversal of 85079905 is 50997058.

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 85079905 - 2¹³ = 85071713 is a prime.

It is a Duffinian 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, 2199 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (12774384).

Almost surely, 2^85079905 is an apocalyptic number.

It is an amenable number.

85079905 is a deficient number, since it is larger than the sum of its proper divisors (17115167).

85079905 is a wasteful number, since it uses less digits than its factorization.

85079905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16535.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 85079905 is about 9223.8768964032. The cubic root of 85079905 is about 439.8207000168.

The spelling of 85079905 in words is "eighty-five million, seventy-nine thousand, nine hundred five".