84357969696 has 1440 divisors, whose sum is σ = 348729929856. Its totient is φ = 19408896000.

The previous prime is 84357969671. The next prime is 84357969743. The reversal of 84357969696 is 69696975348.

84357969696 is a `hidden beast` number, since 8 + 43 + 579 + 6 + 9 + 6 + 9 + 6 = 666.

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

Its product of digits (529079040) is a multiple of the sum of its prime factors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1382917506 + ... + 1382917566.

Almost surely, 2^84357969696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84357969696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174364964928).

84357969696 is an abundant number, since it is smaller than the sum of its proper divisors (264371960160).

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

84357969696 is a wasteful number, since it uses less digits than its factorization.

84357969696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 138 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 72.

The spelling of 84357969696 in words is "eighty-four billion, three hundred fifty-seven million, nine hundred sixty-nine thousand, six hundred ninety-six".