84985450804 has 12 divisors (see below), whose sum is σ = 148985921700. Its totient is φ = 42418044608.

The previous prime is 84985450799. The next prime is 84985450831. The reversal of 84985450804 is 40805458948.

It can be written as a sum of positive squares in 2 ways, for example, as 11641978404 + 73343472400 = 107898^2 + 270820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18667639 + ... + 18672190.

It is an arithmetic number, because the mean of its divisors is an integer number (12415493475).

Almost surely, 2^84985450804 is an apocalyptic number.

It is an amenable number.

84985450804 is a deficient number, since it is larger than the sum of its proper divisors (64000470896).

84985450804 is a wasteful number, since it uses less digits than its factorization.

84985450804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37340402 (or 37340400 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 84985450804 in words is "eighty-four billion, nine hundred eighty-five million, four hundred fifty thousand, eight hundred four".