85907070409 has 16 divisors (see below), whose sum is σ = 87451902720. Its totient is φ = 84374409600.

The previous prime is 85907070407. The next prime is 85907070521. The reversal of 85907070409 is 90407070958.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85907070409 - 2¹ = 85907070407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85907070407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30130834 + ... + 30133684.

It is an arithmetic number, because the mean of its divisors is an integer number (5465743920).

Almost surely, 2^85907070409 is an apocalyptic number.

It is an amenable number.

85907070409 is a deficient number, since it is larger than the sum of its proper divisors (1544832311).

85907070409 is a wasteful number, since it uses less digits than its factorization.

85907070409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 85907070409 in words is "eighty-five billion, nine hundred seven million, seventy thousand, four hundred nine".