85280352069 has 32 divisors (see below), whose sum is σ = 128074383360. Its totient is φ = 50006548800.

The previous prime is 85280352013. The next prime is 85280352163. The reversal of 85280352069 is 96025308258.

It is not a de Polignac number, because 85280352069 - 2¹⁵ = 85280319301 is a prime.

It is a super-2 number, since 2×85280352069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85280352169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7397692 + ... + 7409210.

It is an arithmetic number, because the mean of its divisors is an integer number (4002324480).

Almost surely, 2^85280352069 is an apocalyptic number.

It is an amenable number.

85280352069 is a deficient number, since it is larger than the sum of its proper divisors (42794031291).

85280352069 is a wasteful number, since it uses less digits than its factorization.

85280352069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 85280352069 in words is "eighty-five billion, two hundred eighty million, three hundred fifty-two thousand, sixty-nine".