84051355 has 4 divisors (see below), whose sum is σ = 100861632. Its totient is φ = 67241080.

The previous prime is 84051343. The next prime is 84051371. The reversal of 84051355 is 55315048.

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

It is not a de Polignac number, because 84051355 - 2¹¹ = 84049307 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8405131 + ... + 8405140.

It is an arithmetic number, because the mean of its divisors is an integer number (25215408).

Almost surely, 2^84051355 is an apocalyptic number.

84051355 is a deficient number, since it is larger than the sum of its proper divisors (16810277).

84051355 is a wasteful number, since it uses less digits than its factorization.

84051355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810276.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 84051355 is about 9167.9526067710. The cubic root of 84051355 is about 438.0411458882.

The spelling of 84051355 in words is "eighty-four million, fifty-one thousand, three hundred fifty-five".