85455285487 has 16 divisors (see below), whose sum is σ = 100557313920. Its totient is φ = 71594805600.

The previous prime is 85455285479. The next prime is 85455285497. The reversal of 85455285487 is 78458255458.

It is a cyclic number.

It is not a de Polignac number, because 85455285487 - 2³ = 85455285479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85455285497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394189 + ... + 571222.

It is an arithmetic number, because the mean of its divisors is an integer number (6284832120).

Almost surely, 2^85455285487 is an apocalyptic number.

85455285487 is a deficient number, since it is larger than the sum of its proper divisors (15102028433).

85455285487 is a wasteful number, since it uses less digits than its factorization.

85455285487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966054.

The product of its digits is 71680000, while the sum is 61.

The spelling of 85455285487 in words is "eighty-five billion, four hundred fifty-five million, two hundred eighty-five thousand, four hundred eighty-seven".