99697463712 has 384 divisors, whose sum is σ = 364424417280. Its totient is φ = 25760609280.

The previous prime is 99697463707. The next prime is 99697463717. The reversal of 99697463712 is 21736479699.

It is an interprime number because it is at equal distance from previous prime (99697463707) and next prime (99697463717).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 99697463712.

It is not an unprimeable number, because it can be changed into a prime (99697463717) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13102213 + ... + 13109819.

It is an arithmetic number, because the mean of its divisors is an integer number (949021920).

Almost surely, 2^99697463712 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 99697463712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182212208640).

99697463712 is an abundant number, since it is smaller than the sum of its proper divisors (264726953568).

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

99697463712 is a wasteful number, since it uses less digits than its factorization.

99697463712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7827 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 99697463712 in words is "ninety-nine billion, six hundred ninety-seven million, four hundred sixty-three thousand, seven hundred twelve".