84679955 has 8 divisors (see below), whose sum is σ = 103533552. Its totient is φ = 66465568.

The previous prime is 84679949. The next prime is 84679963. The reversal of 84679955 is 55997648.

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 84679955 - 2⁶ = 84679891 is a prime.

It is a super-3 number, since 3×84679955³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84679897 and 84679906.

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 7 ways as a sum of consecutive naturals, for example, 159509 + ... + 160038.

It is an arithmetic number, because the mean of its divisors is an integer number (12941694).

Almost surely, 2^84679955 is an apocalyptic number.

84679955 is a deficient number, since it is larger than the sum of its proper divisors (18853597).

84679955 is a wasteful number, since it uses less digits than its factorization.

84679955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319605.

The product of its digits is 2721600, while the sum is 53.

The square root of 84679955 is about 9202.1712111871. The cubic root of 84679955 is about 439.1304365564.

The spelling of 84679955 in words is "eighty-four million, six hundred seventy-nine thousand, nine hundred fifty-five".