85722355 has 4 divisors (see below), whose sum is σ = 102866832. Its totient is φ = 68577880.

The previous prime is 85722323. The next prime is 85722389. The reversal of 85722355 is 55322758.

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

It is not a de Polignac number, because 85722355 - 2⁵ = 85722323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8572231 + ... + 8572240.

It is an arithmetic number, because the mean of its divisors is an integer number (25716708).

Almost surely, 2^85722355 is an apocalyptic number.

85722355 is a deficient number, since it is larger than the sum of its proper divisors (17144477).

85722355 is a wasteful number, since it uses less digits than its factorization.

85722355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144476.

The product of its digits is 84000, while the sum is 37.

The square root of 85722355 is about 9258.6367787056. The cubic root of 85722355 is about 440.9249739107.

The spelling of 85722355 in words is "eighty-five million, seven hundred twenty-two thousand, three hundred fifty-five".