84718445 has 16 divisors (see below), whose sum is σ = 116356608. Its totient is φ = 58007040.

The previous prime is 84718441. The next prime is 84718507. The reversal of 84718445 is 54481748.

It is not a de Polignac number, because 84718445 - 2² = 84718441 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 (84718441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30557 + ... + 33213.

It is an arithmetic number, because the mean of its divisors is an integer number (7272288).

Almost surely, 2^84718445 is an apocalyptic number.

It is an amenable number.

84718445 is a deficient number, since it is larger than the sum of its proper divisors (31638163).

84718445 is a wasteful number, since it uses less digits than its factorization.

84718445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its digits is 143360, while the sum is 41.

The square root of 84718445 is about 9204.2623278566. The cubic root of 84718445 is about 439.1969598569.

The spelling of 84718445 in words is "eighty-four million, seven hundred eighteen thousand, four hundred forty-five".