85351645250 has 64 divisors (see below), whose sum is σ = 163146597120. Its totient is φ = 33428419200.

The previous prime is 85351645241. The next prime is 85351645259. The reversal of 85351645250 is 5254615358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85351645241) and next prime (85351645259).

It is not an unprimeable number, because it can be changed into a prime (85351645259) 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, 2273129 + ... + 2310371.

It is an arithmetic number, because the mean of its divisors is an integer number (2549165580).

Almost surely, 2^85351645250 is an apocalyptic number.

85351645250 is a deficient number, since it is larger than the sum of its proper divisors (77794951870).

85351645250 is a wasteful number, since it uses less digits than its factorization.

85351645250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37452 (or 37442 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 85351645250 in words is "eighty-five billion, three hundred fifty-one million, six hundred forty-five thousand, two hundred fifty".