85224776805 has 128 divisors (see below), whose sum is σ = 183588249600. Its totient is φ = 36618642432.

The previous prime is 85224776789. The next prime is 85224776827. The reversal of 85224776805 is 50867742258.

85224776805 is a `hidden beast` number, since 8 + 522 + 47 + 76 + 8 + 0 + 5 = 666.

It is not a de Polignac number, because 85224776805 - 2⁴ = 85224776789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13475374 + ... + 13481696.

It is an arithmetic number, because the mean of its divisors is an integer number (1434283200).

Almost surely, 2^85224776805 is an apocalyptic number.

85224776805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85224776805 is an abundant number, since it is smaller than the sum of its proper divisors (98363472795).

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

85224776805 is a wasteful number, since it uses less digits than its factorization.

85224776805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200 (or 7194 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 85224776805 in words is "eighty-five billion, two hundred twenty-four million, seven hundred seventy-six thousand, eight hundred five".