85582079 has 4 divisors (see below), whose sum is σ = 93362280. Its totient is φ = 77801880.

The previous prime is 85582067. The next prime is 85582087. The reversal of 85582079 is 97028558.

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 85582079 - 2⁸ = 85581823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85582039) 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, 3890084 + ... + 3890105.

It is an arithmetic number, because the mean of its divisors is an integer number (23340570).

Almost surely, 2^85582079 is an apocalyptic number.

85582079 is a deficient number, since it is larger than the sum of its proper divisors (7780201).

85582079 is a wasteful number, since it uses less digits than its factorization.

85582079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780200.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 85582079 is about 9251.0582637880. The cubic root of 85582079 is about 440.6843328313.

The spelling of 85582079 in words is "eighty-five million, five hundred eighty-two thousand, seventy-nine".