84409814475 has 90 divisors (see below), whose sum is σ = 181883904444. Its totient is φ = 38587298400.

The previous prime is 84409814473. The next prime is 84409814527. The reversal of 84409814475 is 57441890448.

84409814475 is a `hidden beast` number, since 8 + 440 + 98 + 1 + 44 + 75 = 666.

It is not a de Polignac number, because 84409814475 - 2¹ = 84409814473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84409814473) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 326121 + ... + 524570.

Almost surely, 2^84409814475 is an apocalyptic number.

84409814475 is an abundant number, since it is smaller than the sum of its proper divisors (97474089969).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84409814475 is a wasteful number, since it uses less digits than its factorization.

84409814475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850727 (or 850706 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 84409814475 in words is "eighty-four billion, four hundred nine million, eight hundred fourteen thousand, four hundred seventy-five".