85759842156922 has 32 divisors (see below), whose sum is σ = 141440280713424. Its totient is φ = 38833882214400.

The previous prime is 85759842156889. The next prime is 85759842156953. The reversal of 85759842156922 is 22965124895758.

It is a Cunningham number, because it is equal to 9260661²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 66319670528721 + 19440171628201 = 8143689^2 + 4409101^2 .

It is a Harshad number since it is a multiple of its sum of digits (73).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421272829 + ... + 421476352.

Almost surely, 2^{85759842156922} is an apocalyptic number.

85759842156922 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

85759842156922 is a deficient number, since it is larger than the sum of its proper divisors (55680438556502).

85759842156922 is a wasteful number, since it uses less digits than its factorization.

85759842156922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842749314.

The product of its digits is 870912000, while the sum is 73.

The spelling of 85759842156922 in words is "eighty-five trillion, seven hundred fifty-nine billion, eight hundred forty-two million, one hundred fifty-six thousand, nine hundred twenty-two".