85867159460 has 24 divisors (see below), whose sum is σ = 190928155320. Its totient is φ = 32326459904.

The previous prime is 85867159459. The next prime is 85867159463. The reversal of 85867159460 is 6495176858.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26693677924 + 59173481536 = 163382^2 + 243256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85867159460.

It is not an unprimeable number, because it can be changed into a prime (85867159463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126274895 + ... + 126275574.

It is an arithmetic number, because the mean of its divisors is an integer number (7955339805).

Almost surely, 2^85867159460 is an apocalyptic number.

It is an amenable number.

85867159460 is an abundant number, since it is smaller than the sum of its proper divisors (105060995860).

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

85867159460 is a wasteful number, since it uses less digits than its factorization.

85867159460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252550495 (or 252550493 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 85867159460 in words is "eighty-five billion, eight hundred sixty-seven million, one hundred fifty-nine thousand, four hundred sixty".