85340450287705 has 32 divisors (see below), whose sum is σ = 107839295101440. Its totient is φ = 64706550881280.

The previous prime is 85340450287691. The next prime is 85340450287717. The reversal of 85340450287705 is 50778205404358.

It is not a de Polignac number, because 85340450287705 - 2²¹ = 85340448190553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85340450287705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42141075 + ... + 44119735.

It is an arithmetic number, because the mean of its divisors is an integer number (3369977971920).

Almost surely, 2^{85340450287705} is an apocalyptic number.

It is an amenable number.

85340450287705 is a deficient number, since it is larger than the sum of its proper divisors (22498844813735).

85340450287705 is a wasteful number, since it uses less digits than its factorization.

85340450287705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982121.

The product of its (nonzero) digits is 37632000, while the sum is 58.

The spelling of 85340450287705 in words is "eighty-five trillion, three hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred five".