85603079 has 4 divisors (see below), whose sum is σ = 89324976. Its totient is φ = 81881184.

The previous prime is 85603051. The next prime is 85603087. The reversal of 85603079 is 97030658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97030658 = 2 ⋅48515329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85603079 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 (85603009) 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, 1860914 + ... + 1860959.

It is an arithmetic number, because the mean of its divisors is an integer number (22331244).

Almost surely, 2^85603079 is an apocalyptic number.

85603079 is a deficient number, since it is larger than the sum of its proper divisors (3721897).

85603079 is a wasteful number, since it uses less digits than its factorization.

85603079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721896.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 85603079 is about 9252.1931994528. The cubic root of 85603079 is about 440.7203747000.

The spelling of 85603079 in words is "eighty-five million, six hundred three thousand, seventy-nine".