85346815450 has 24 divisors (see below), whose sum is σ = 170956237788. Its totient is φ = 31512670080.

The previous prime is 85346815439. The next prime is 85346815459. The reversal of 85346815450 is 5451864358.

It can be written as a sum of positive squares in 6 ways, for example, as 18948348409 + 66398467041 = 137653^2 + 257679^2 .

It is a super-3 number, since 3×85346815450³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85346815394 and 85346815403.

It is not an unprimeable number, because it can be changed into a prime (85346815459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65650747 + ... + 65652046.

Almost surely, 2^85346815450 is an apocalyptic number.

85346815450 is an abundant number, since it is smaller than the sum of its proper divisors (85609422338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85346815450 is a wasteful number, since it uses less digits than its factorization.

85346815450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131302818 (or 131302813 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 85346815450 in words is "eighty-five billion, three hundred forty-six million, eight hundred fifteen thousand, four hundred fifty".