85755209090 has 16 divisors (see below), whose sum is σ = 154574075520. Its totient is φ = 34254372720.

The previous prime is 85755209081. The next prime is 85755209143. The reversal of 85755209090 is 9090255758.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5956316 + ... + 5970695.

It is an arithmetic number, because the mean of its divisors is an integer number (9660879720).

Almost surely, 2^85755209090 is an apocalyptic number.

85755209090 is a deficient number, since it is larger than the sum of its proper divisors (68818866430).

85755209090 is a wasteful number, since it uses less digits than its factorization.

85755209090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927737.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 85755209090 in words is "eighty-five billion, seven hundred fifty-five million, two hundred nine thousand, ninety".