99065976380 has 72 divisors (see below), whose sum is σ = 242735952816. Its totient is φ = 33862752000.

The previous prime is 99065976371. The next prime is 99065976397. The reversal of 99065976380 is 8367956099.

It is a super-2 number, since 2×99065976380² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171680 + ... + 477080.

It is an arithmetic number, because the mean of its divisors is an integer number (3371332678).

Almost surely, 2^99065976380 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 99065976380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121367976408).

99065976380 is an abundant number, since it is smaller than the sum of its proper divisors (143669976436).

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

99065976380 is a wasteful number, since it uses less digits than its factorization.

99065976380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305755 (or 305746 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 99065976380 in words is "ninety-nine billion, sixty-five million, nine hundred seventy-six thousand, three hundred eighty".