85807845202455 has 12 divisors (see below), whose sum is σ = 148733598351000. Its totient is φ = 45764184107952.

The previous prime is 85807845202451. The next prime is 85807845202481. The reversal of 85807845202455 is 55420254870858.

85807845202455 is a `hidden beast` number, since 8 + 5 + 8 + 0 + 7 + 84 + 520 + 24 + 5 + 5 = 666.

It is not a de Polignac number, because 85807845202455 - 2² = 85807845202451 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85807845202392 and 85807845202401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85807845202451) 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, 953420502205 + ... + 953420502294.

It is an arithmetic number, because the mean of its divisors is an integer number (12394466529250).

Almost surely, 2^{85807845202455} is an apocalyptic number.

85807845202455 is a deficient number, since it is larger than the sum of its proper divisors (62925753148545).

85807845202455 is a wasteful number, since it uses less digits than its factorization.

85807845202455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906841004510 (or 1906841004507 counting only the distinct ones).

The product of its (nonzero) digits is 143360000, while the sum is 63.

The spelling of 85807845202455 in words is "eighty-five trillion, eight hundred seven billion, eight hundred forty-five million, two hundred two thousand, four hundred fifty-five".