84643055 has 8 divisors (see below), whose sum is σ = 116081952. Its totient is φ = 58040928.

The previous prime is 84643007. The next prime is 84643057. The reversal of 84643055 is 55034648.

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

It is a cyclic number.

It is not a de Polignac number, because 84643055 - 2⁶ = 84642991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2418373 = 84643055 / (8 + 4 + 6 + 4 + 3 + 0 + 5 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84643057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209152 + ... + 1209221.

It is an arithmetic number, because the mean of its divisors is an integer number (14510244).

Almost surely, 2^84643055 is an apocalyptic number.

84643055 is a deficient number, since it is larger than the sum of its proper divisors (31438897).

84643055 is a wasteful number, since it uses less digits than its factorization.

84643055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418385.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 84643055 is about 9200.1660311105. The cubic root of 84643055 is about 439.0666423667.

The spelling of 84643055 in words is "eighty-four million, six hundred forty-three thousand, fifty-five".