85012436 has 6 divisors (see below), whose sum is σ = 148771770. Its totient is φ = 42506216.

The previous prime is 85012423. The next prime is 85012457. The reversal of 85012436 is 63421058.

It can be written as a sum of positive squares in only one way, i.e., 73856836 + 11155600 = 8594^2 + 3340^2 .

It is a super-2 number, since 2×85012436² = 14454228549308192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85012399 and 85012408.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10626551 + ... + 10626558.

It is an arithmetic number, because the mean of its divisors is an integer number (24795295).

Almost surely, 2^85012436 is an apocalyptic number.

It is an amenable number.

85012436 is a deficient number, since it is larger than the sum of its proper divisors (63759334).

85012436 is a wasteful number, since it uses less digits than its factorization.

85012436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253113 (or 21253111 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85012436 is about 9220.2188694195. The cubic root of 85012436 is about 439.7044089050.

The spelling of 85012436 in words is "eighty-five million, twelve thousand, four hundred thirty-six".