84980359849 has 16 divisors (see below), whose sum is σ = 112181867136. Its totient is φ = 62323257600.

The previous prime is 84980359787. The next prime is 84980359853. The reversal of 84980359849 is 94895308948.

It is a cyclic number.

It is not a de Polignac number, because 84980359849 - 2¹¹ = 84980357801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84980359889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32458722 + ... + 32461339.

It is an arithmetic number, because the mean of its divisors is an integer number (7011366696).

Almost surely, 2^84980359849 is an apocalyptic number.

It is an amenable number.

84980359849 is a deficient number, since it is larger than the sum of its proper divisors (27201507287).

84980359849 is a wasteful number, since it uses less digits than its factorization.

84980359849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64920096.

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 84980359849 in words is "eighty-four billion, nine hundred eighty million, three hundred fifty-nine thousand, eight hundred forty-nine".