99256476672 has 264 divisors, whose sum is σ = 302816148960. Its totient is φ = 31226757120.

The previous prime is 99256476667. The next prime is 99256476703. The reversal of 99256476672 is 27667465299.

99256476672 is a `hidden beast` number, since 9 + 9 + 2 + 564 + 7 + 6 + 67 + 2 = 666.

It is a super-2 number, since 2×99256476672² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54806647 + ... + 54808457.

Almost surely, 2^99256476672 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 99256476672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151408074480).

99256476672 is an abundant number, since it is smaller than the sum of its proper divisors (203559672288).

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

99256476672 is a wasteful number, since it uses less digits than its factorization.

99256476672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2148 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 99256476672 in words is "ninety-nine billion, two hundred fifty-six million, four hundred seventy-six thousand, six hundred seventy-two".