85897260484 has 36 divisors (see below), whose sum is σ = 178161590124. Its totient is φ = 36118520256.

The previous prime is 85897260467. The next prime is 85897260503. The reversal of 85897260484 is 48406279858.

It can be written as a sum of positive squares in 2 ways, for example, as 48787090884 + 37110169600 = 220878^2 + 192640^2 .

It is a super-2 number, since 2×85897260484² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4124059 + ... + 4144834.

It is an arithmetic number, because the mean of its divisors is an integer number (4948933059).

Almost surely, 2^85897260484 is an apocalyptic number.

It is an amenable number.

85897260484 is an abundant number, since it is smaller than the sum of its proper divisors (92264329640).

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

85897260484 is a wasteful number, since it uses less digits than its factorization.

85897260484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268964 (or 8268955 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 85897260484 in words is "eighty-five billion, eight hundred ninety-seven million, two hundred sixty thousand, four hundred eighty-four".