84464435985 has 16 divisors (see below), whose sum is σ = 137358559680. Its totient is φ = 44309211840.

The previous prime is 84464435983. The next prime is 84464436013. The reversal of 84464435985 is 58953446448.

It is a happy number.

It is not a de Polignac number, because 84464435985 - 2¹ = 84464435983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84464435983) 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, 46154515 + ... + 46156344.

It is an arithmetic number, because the mean of its divisors is an integer number (8584909980).

Almost surely, 2^84464435985 is an apocalyptic number.

It is an amenable number.

84464435985 is a deficient number, since it is larger than the sum of its proper divisors (52894123695).

84464435985 is a wasteful number, since it uses less digits than its factorization.

84464435985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92310928.

The product of its digits is 66355200, while the sum is 60.

The spelling of 84464435985 in words is "eighty-four billion, four hundred sixty-four million, four hundred thirty-five thousand, nine hundred eighty-five".