2957247680 has 56 divisors (see below), whose sum is σ = 7111746000. Its totient is φ = 1171174400.

The previous prime is 2957247679. The next prime is 2957247691. The reversal of 2957247680 is 867427592.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13430 + ... + 78069.

Almost surely, 2^2957247680 is an apocalyptic number.

2957247680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2957247680 is an abundant number, since it is smaller than the sum of its proper divisors (4154498320).

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

2957247680 is a wasteful number, since it uses less digits than its factorization.

2957247680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91617 (or 91607 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 2957247680 is about 54380.5818284431. The cubic root of 2957247680 is about 1435.3657086506.

The spelling of 2957247680 in words is "two billion, nine hundred fifty-seven million, two hundred forty-seven thousand, six hundred eighty".