85850498261 has 32 divisors (see below), whose sum is σ = 97684704000. Its totient is φ = 74734894080.

The previous prime is 85850498143. The next prime is 85850498273. The reversal of 85850498261 is 16289405858.

It is not a de Polignac number, because 85850498261 - 2¹⁴ = 85850481877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85850498197 and 85850498206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85850498291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21391091 + ... + 21395103.

It is an arithmetic number, because the mean of its divisors is an integer number (3052647000).

Almost surely, 2^85850498261 is an apocalyptic number.

It is an amenable number.

85850498261 is a deficient number, since it is larger than the sum of its proper divisors (11834205739).

85850498261 is a wasteful number, since it uses less digits than its factorization.

85850498261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 85850498261 in words is "eighty-five billion, eight hundred fifty million, four hundred ninety-eight thousand, two hundred sixty-one".