84989500051 has 8 divisors (see below), whose sum is σ = 85834468800. Its totient is φ = 84145469928.

The previous prime is 84989500033. The next prime is 84989500181. The reversal of 84989500051 is 15000598948.

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 84989500051 - 2⁷ = 84989499923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84989499968 and 84989500004.

It is not an unprimeable number, because it can be changed into a prime (84989500751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51961 + ... + 415546.

It is an arithmetic number, because the mean of its divisors is an integer number (10729308600).

Almost surely, 2^84989500051 is an apocalyptic number.

84989500051 is the 184380-th centered pentagonal number.

84989500051 is a deficient number, since it is larger than the sum of its proper divisors (844968749).

84989500051 is a wasteful number, since it uses less digits than its factorization.

84989500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469313.

The product of its (nonzero) digits is 518400, while the sum is 49.

The spelling of 84989500051 in words is "eighty-four billion, nine hundred eighty-nine million, five hundred thousand, fifty-one".