2979994625208 has 128 divisors (see below), whose sum is σ = 8671599360000. Its totient is φ = 946938335616.

The previous prime is 2979994625207. The next prime is 2979994625227. The reversal of 2979994625208 is 8025264999792.

2979994625208 is a `hidden beast` number, since 2 + 9 + 7 + 9 + 9 + 94 + 6 + 2 + 520 + 8 = 666.

2979994625208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2979994625208³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979994625207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2516116 + ... + 3505827.

It is an arithmetic number, because the mean of its divisors is an integer number (67746870000).

Almost surely, 2^{2979994625208} is an apocalyptic number.

It is an amenable number.

2979994625208 is an abundant number, since it is smaller than the sum of its proper divisors (5691604734792).

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

2979994625208 is a wasteful number, since it uses less digits than its factorization.

2979994625208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022066 (or 6022056 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 72.

The spelling of 2979994625208 in words is "two trillion, nine hundred seventy-nine billion, nine hundred ninety-four million, six hundred twenty-five thousand, two hundred eight".