84469599864 has 96 divisors (see below), whose sum is σ = 260862048720. Its totient is φ = 24461779968.

The previous prime is 84469599833. The next prime is 84469599869. The reversal of 84469599864 is 46899596448.

84469599864 is a `hidden beast` number, since 8 + 446 + 95 + 9 + 98 + 6 + 4 = 666.

It is a super-2 number, since 2×84469599864² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 84469599792 and 84469599801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84469599869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2638362 + ... + 2670185.

Almost surely, 2^84469599864 is an apocalyptic number.

It is an amenable number.

84469599864 is an abundant number, since it is smaller than the sum of its proper divisors (176392448856).

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

84469599864 is a wasteful number, since it uses less digits than its factorization.

84469599864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308589 (or 5308582 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 84469599864 in words is "eighty-four billion, four hundred sixty-nine million, five hundred ninety-nine thousand, eight hundred sixty-four".