2947766680920 has 32 divisors (see below), whose sum is σ = 8843300043120. Its totient is φ = 786071114880.

The previous prime is 2947766680913. The next prime is 2947766680933. The reversal of 2947766680920 is 290866677492.

It is a super-2 number, since 2×2947766680920² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12282361051 + ... + 12282361290.

Almost surely, 2^{2947766680920} is an apocalyptic number.

2947766680920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2947766680920 is an abundant number, since it is smaller than the sum of its proper divisors (5895533362200).

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

2947766680920 is a wasteful number, since it uses less digits than its factorization.

2947766680920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24564722355 (or 24564722351 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 2947766680920 in words is "two trillion, nine hundred forty-seven billion, seven hundred sixty-six million, six hundred eighty thousand, nine hundred twenty".