85772093 has 4 divisors (see below), whose sum is σ = 93569568. Its totient is φ = 77974620.

The previous prime is 85772087. The next prime is 85772101. The reversal of 85772093 is 39027758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85772093 - 2⁸ = 85771837 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 85772093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85772003) 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, 3898721 + ... + 3898742.

It is an arithmetic number, because the mean of its divisors is an integer number (23392392).

Almost surely, 2^85772093 is an apocalyptic number.

It is an amenable number.

85772093 is a deficient number, since it is larger than the sum of its proper divisors (7797475).

85772093 is a wasteful number, since it uses less digits than its factorization.

85772093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797474.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 85772093 is about 9261.3224217711. The cubic root of 85772093 is about 441.0102355524.

The spelling of 85772093 in words is "eighty-five million, seven hundred seventy-two thousand, ninety-three".