2799553205988 has 72 divisors (see below), whose sum is σ = 8822834354880. Its totient is φ = 727156676160.

The previous prime is 2799553205971. The next prime is 2799553205989. The reversal of 2799553205988 is 8895023559972.

2799553205988 is a `hidden beast` number, since 2 + 7 + 9 + 9 + 5 + 5 + 3 + 20 + 598 + 8 = 666.

It is a super-2 number, since 2×2799553205988² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2799553205989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504967143 + ... + 504972686.

It is an arithmetic number, because the mean of its divisors is an integer number (122539366040).

Almost surely, 2^{2799553205988} is an apocalyptic number.

2799553205988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2799553205988 is an abundant number, since it is smaller than the sum of its proper divisors (6023281148892).

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

2799553205988 is a wasteful number, since it uses less digits than its factorization.

2799553205988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009939857 (or 1009939852 counting only the distinct ones).

The product of its (nonzero) digits is 489888000, while the sum is 72.

The spelling of 2799553205988 in words is "two trillion, seven hundred ninety-nine billion, five hundred fifty-three million, two hundred five thousand, nine hundred eighty-eight".