85437826 has 8 divisors (see below), whose sum is σ = 128195964. Its totient is φ = 42705840.

The previous prime is 85437823. The next prime is 85437827. The reversal of 85437826 is 62873458.

It can be written as a sum of positive squares in 2 ways, for example, as 70576801 + 14861025 = 8401^2 + 3855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85437826² = 14599244223212552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85437823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9516 + ... + 16168.

Almost surely, 2^85437826 is an apocalyptic number.

85437826 is a deficient number, since it is larger than the sum of its proper divisors (42758138).

85437826 is a wasteful number, since it uses less digits than its factorization.

85437826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076.

The product of its digits is 322560, while the sum is 43.

The square root of 85437826 is about 9243.2584081589. The cubic root of 85437826 is about 440.4365948775.

The spelling of 85437826 in words is "eighty-five million, four hundred thirty-seven thousand, eight hundred twenty-six".