85058797 has 4 divisors (see below), whose sum is σ = 86224060. Its totient is φ = 83893536.

The previous prime is 85058789. The next prime is 85058821. The reversal of 85058797 is 79785058.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24000201 + 61058596 = 4899^2 + 7814^2 .

It is a cyclic number.

It is not a de Polignac number, because 85058797 - 2³ = 85058789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85058797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85058717) 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, 582522 + ... + 582667.

It is an arithmetic number, because the mean of its divisors is an integer number (21556015).

Almost surely, 2^85058797 is an apocalyptic number.

It is an amenable number.

85058797 is a deficient number, since it is larger than the sum of its proper divisors (1165263).

85058797 is a wasteful number, since it uses less digits than its factorization.

85058797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165262.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 85058797 is about 9222.7326210836. The cubic root of 85058797 is about 439.7843243956.

The spelling of 85058797 in words is "eighty-five million, fifty-eight thousand, seven hundred ninety-seven".