2772620012172 has 48 divisors (see below), whose sum is σ = 6479978303232. Its totient is φ = 922702643520.

The previous prime is 2772620012171. The next prime is 2772620012179. The reversal of 2772620012172 is 2712100262772.

It is a super-3 number, since 3×2772620012172³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2772620012172.

It is not an unprimeable number, because it can be changed into a prime (2772620012171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51159433 + ... + 51213599.

It is an arithmetic number, because the mean of its divisors is an integer number (134999547984).

Almost surely, 2^{2772620012172} is an apocalyptic number.

It is an amenable number.

2772620012172 is an abundant number, since it is smaller than the sum of its proper divisors (3707358291060).

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

2772620012172 is a wasteful number, since it uses less digits than its factorization.

2772620012172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61038 (or 61036 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 2772620012172 in words is "two trillion, seven hundred seventy-two billion, six hundred twenty million, twelve thousand, one hundred seventy-two".