85967491 has 8 divisors (see below), whose sum is σ = 89853984. Its totient is φ = 82093440.

The previous prime is 85967489. The next prime is 85967507. The reversal of 85967491 is 19476958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85967491 - 2¹ = 85967489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85967291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12811 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (11231748).

Almost surely, 2^85967491 is an apocalyptic number.

85967491 is a deficient number, since it is larger than the sum of its proper divisors (3886493).

85967491 is a wasteful number, since it uses less digits than its factorization.

85967491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221.

The product of its digits is 544320, while the sum is 49.

The square root of 85967491 is about 9271.8655620107. The cubic root of 85967491 is about 441.3448710613.

The spelling of 85967491 in words is "eighty-five million, nine hundred sixty-seven thousand, four hundred ninety-one".