85079903 has 4 divisors (see below), whose sum is σ = 87824448. Its totient is φ = 82335360.

The previous prime is 85079899. The next prime is 85079927. The reversal of 85079903 is 30997058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85079903 - 2² = 85079899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85079963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372226 + ... + 1372287.

It is an arithmetic number, because the mean of its divisors is an integer number (21956112).

Almost surely, 2^85079903 is an apocalyptic number.

85079903 is a deficient number, since it is larger than the sum of its proper divisors (2744545).

85079903 is a wasteful number, since it uses less digits than its factorization.

85079903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744544.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 85079903 is about 9223.8767879889. The cubic root of 85079903 is about 439.8206965705.

The spelling of 85079903 in words is "eighty-five million, seventy-nine thousand, nine hundred three".