99780348352 has 56 divisors (see below), whose sum is σ = 210364980336. Its totient is φ = 46795051008.

The previous prime is 99780348337. The next prime is 99780348361. The reversal of 99780348352 is 25384308799.

It is a super-2 number, since 2×99780348352² (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 7 ways as a sum of consecutive naturals, for example, 162283 + ... + 475285.

It is an arithmetic number, because the mean of its divisors is an integer number (3756517506).

Almost surely, 2^99780348352 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 99780348352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105182490168).

99780348352 is an abundant number, since it is smaller than the sum of its proper divisors (110584631984).

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

99780348352 is a wasteful number, since it uses less digits than its factorization.

99780348352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313325 (or 313315 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 99780348352 in words is "ninety-nine billion, seven hundred eighty million, three hundred forty-eight thousand, three hundred fifty-two".