84451955 has 16 divisors (see below), whose sum is σ = 116014080. Its totient is φ = 57812832.

The previous prime is 84451931. The next prime is 84451993. The reversal of 84451955 is 55915448.

It is not a de Polignac number, because 84451955 - 2⁶ = 84451891 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 23786 + ... + 27104.

It is an arithmetic number, because the mean of its divisors is an integer number (7250880).

Almost surely, 2^84451955 is an apocalyptic number.

84451955 is a deficient number, since it is larger than the sum of its proper divisors (31562125).

84451955 is a wasteful number, since it uses less digits than its factorization.

84451955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058.

The product of its digits is 144000, while the sum is 41.

The square root of 84451955 is about 9189.7744803668. The cubic root of 84451955 is about 438.7359640859.

The spelling of 84451955 in words is "eighty-four million, four hundred fifty-one thousand, nine hundred fifty-five".