84900071 has 4 divisors (see below), whose sum is σ = 84935832. Its totient is φ = 84864312.

The previous prime is 84900059. The next prime is 84900077. The reversal of 84900071 is 17000948.

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 84900071 - 2⁶ = 84900007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84900077) 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, 14045 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (21233958).

Almost surely, 2^84900071 is an apocalyptic number.

84900071 is a deficient number, since it is larger than the sum of its proper divisors (35761).

84900071 is a wasteful number, since it uses less digits than its factorization.

84900071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35760.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 84900071 is about 9214.1234526134. The cubic root of 84900071 is about 439.5105973786.

The spelling of 84900071 in words is "eighty-four million, nine hundred thousand, seventy-one".