9799672654620 has 240 divisors, whose sum is σ = 32364200668800. Its totient is φ = 2475380269440.

The previous prime is 9799672654589. The next prime is 9799672654637. The reversal of 9799672654620 is 264562769979.

9799672654620 is a `hidden beast` number, since 9 + 7 + 9 + 9 + 6 + 72 + 6 + 546 + 2 + 0 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305660151 + ... + 305692209.

It is an arithmetic number, because the mean of its divisors is an integer number (134850836120).

Almost surely, 2^{9799672654620} is an apocalyptic number.

9799672654620 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9799672654620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16182100334400).

9799672654620 is an abundant number, since it is smaller than the sum of its proper divisors (22564528014180).

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

9799672654620 is a wasteful number, since it uses less digits than its factorization.

9799672654620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42030 (or 42019 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 72.

The spelling of 9799672654620 in words is "nine trillion, seven hundred ninety-nine billion, six hundred seventy-two million, six hundred fifty-four thousand, six hundred twenty".