79824661098 has 128 divisors (see below), whose sum is σ = 199166736384. Its totient is φ = 20767968000.

The previous prime is 79824661039. The next prime is 79824661129. The reversal of 79824661098 is 89016642897.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12370773 + ... + 12377223.

It is an arithmetic number, because the mean of its divisors is an integer number (1555990128).

Almost surely, 2^79824661098 is an apocalyptic number.

79824661098 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79824661098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99583368192).

79824661098 is an abundant number, since it is smaller than the sum of its proper divisors (119342075286).

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

79824661098 is a wasteful number, since it uses less digits than its factorization.

79824661098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 79824661098 in words is "seventy-nine billion, eight hundred twenty-four million, six hundred sixty-one thousand, ninety-eight".