84403837445 has 4 divisors (see below), whose sum is σ = 101284604940. Its totient is φ = 67523069952.

The previous prime is 84403837433. The next prime is 84403837481. The reversal of 84403837445 is 54473830448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41037440929 + 43366396516 = 202577^2 + 208246^2 .

It is a cyclic number.

It is not a de Polignac number, because 84403837445 - 2⁴ = 84403837429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84403837393 and 84403837402.

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, 8440383740 + ... + 8440383749.

It is an arithmetic number, because the mean of its divisors is an integer number (25321151235).

Almost surely, 2^84403837445 is an apocalyptic number.

It is an amenable number.

84403837445 is a deficient number, since it is larger than the sum of its proper divisors (16880767495).

84403837445 is a wasteful number, since it uses less digits than its factorization.

84403837445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16880767494.

The product of its (nonzero) digits is 5160960, while the sum is 50.

The spelling of 84403837445 in words is "eighty-four billion, four hundred three million, eight hundred thirty-seven thousand, four hundred forty-five".