85196641 has 4 divisors (see below), whose sum is σ = 85283092. Its totient is φ = 85110192.

The previous prime is 85196611. The next prime is 85196653. The reversal of 85196641 is 14669158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68558400 + 16638241 = 8280^2 + 4079^2 .

It is a cyclic number.

It is not a de Polignac number, because 85196641 - 2⁵ = 85196609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85196594 and 85196603.

It is not an unprimeable number, because it can be changed into a prime (85196611) 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, 41730 + ... + 43723.

It is an arithmetic number, because the mean of its divisors is an integer number (21320773).

Almost surely, 2^85196641 is an apocalyptic number.

It is an amenable number.

85196641 is a deficient number, since it is larger than the sum of its proper divisors (86451).

85196641 is an equidigital number, since it uses as much as digits as its factorization.

85196641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86450.

The product of its digits is 51840, while the sum is 40.

The square root of 85196641 is about 9230.2026521632. The cubic root of 85196641 is about 440.0217637306.

The spelling of 85196641 in words is "eighty-five million, one hundred ninety-six thousand, six hundred forty-one".