85411730 has 8 divisors (see below), whose sum is σ = 153741132. Its totient is φ = 34164688.

The previous prime is 85411721. The next prime is 85411759. The reversal of 85411730 is 3711458.

It can be written as a sum of positive squares in 2 ways, for example, as 80802121 + 4609609 = 8989^2 + 2147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85411693 and 85411702.

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 in 3 ways as a sum of consecutive naturals, for example, 4270577 + ... + 4270596.

Almost surely, 2^85411730 is an apocalyptic number.

85411730 is a deficient number, since it is larger than the sum of its proper divisors (68329402).

85411730 is a wasteful number, since it uses less digits than its factorization.

85411730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541180.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 85411730 is about 9241.8466769364. The cubic root of 85411730 is about 440.3917482161.

The spelling of 85411730 in words is "eighty-five million, four hundred eleven thousand, seven hundred thirty".