85492169 has 4 divisors (see below), whose sum is σ = 97705344. Its totient is φ = 73278996.

The previous prime is 85492159. The next prime is 85492181. The reversal of 85492169 is 96129458.

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 not a de Polignac number, because 85492169 - 2¹⁶ = 85426633 is a prime.

It is a super-2 number, since 2×85492169² = 14617821920649122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85492129) 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, 6106577 + ... + 6106590.

It is an arithmetic number, because the mean of its divisors is an integer number (24426336).

Almost surely, 2^85492169 is an apocalyptic number.

It is an amenable number.

85492169 is a deficient number, since it is larger than the sum of its proper divisors (12213175).

85492169 is a wasteful number, since it uses less digits than its factorization.

85492169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213174.

The product of its digits is 155520, while the sum is 44.

The square root of 85492169 is about 9246.1975427740. The cubic root of 85492169 is about 440.5299554502.

The spelling of 85492169 in words is "eighty-five million, four hundred ninety-two thousand, one hundred sixty-nine".