85076149 has 4 divisors (see below), whose sum is σ = 88775136. Its totient is φ = 81377164.

The previous prime is 85076141. The next prime is 85076161. The reversal of 85076149 is 94167058.

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 85076149 - 2³ = 85076141 is a prime.

It is a super-2 number, since 2×85076149² = 14475902257340402, 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85076141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849459 + ... + 1849504.

It is an arithmetic number, because the mean of its divisors is an integer number (22193784).

Almost surely, 2^85076149 is an apocalyptic number.

It is an amenable number.

85076149 is a deficient number, since it is larger than the sum of its proper divisors (3698987).

85076149 is a wasteful number, since it uses less digits than its factorization.

85076149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698986.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 85076149 is about 9223.6732921326. The cubic root of 85076149 is about 439.8142277056.

Subtracting 85076149 from its reverse (94167058), we obtain a palindrome (9090909).

The spelling of 85076149 in words is "eighty-five million, seventy-six thousand, one hundred forty-nine".