85670967 has 4 divisors (see below), whose sum is σ = 114227960. Its totient is φ = 57113976.

The previous prime is 85670953. The next prime is 85670969. The reversal of 85670967 is 76907658.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85670967 - 2¹⁰ = 85669943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85670969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14278492 + ... + 14278497.

It is an arithmetic number, because the mean of its divisors is an integer number (28556990).

Almost surely, 2^85670967 is an apocalyptic number.

85670967 is a deficient number, since it is larger than the sum of its proper divisors (28556993).

85670967 is a wasteful number, since it uses less digits than its factorization.

85670967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556992.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 85670967 is about 9255.8612241109. The cubic root of 85670967 is about 440.8368491669.

The spelling of 85670967 in words is "eighty-five million, six hundred seventy thousand, nine hundred sixty-seven".