84850971 has 4 divisors (see below), whose sum is σ = 113134632. Its totient is φ = 56567312.

The previous prime is 84850967. The next prime is 84850973. The reversal of 84850971 is 17905848.

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

It is a cyclic number.

It is not a de Polignac number, because 84850971 - 2² = 84850967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84850973) 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, 14141826 + ... + 14141831.

It is an arithmetic number, because the mean of its divisors is an integer number (28283658).

Almost surely, 2^84850971 is an apocalyptic number.

84850971 is a deficient number, since it is larger than the sum of its proper divisors (28283661).

84850971 is a wasteful number, since it uses less digits than its factorization.

84850971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28283660.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 84850971 is about 9211.4586792755. The cubic root of 84850971 is about 439.4258540975.

The spelling of 84850971 in words is "eighty-four million, eight hundred fifty thousand, nine hundred seventy-one".