2977256673 has 12 divisors (see below), whose sum is σ = 4302507300. Its totient is φ = 1983902976.

The previous prime is 2977256671. The next prime is 2977256683. The reversal of 2977256673 is 3766527792.

2977256673 is a `hidden beast` number, since 2 + 9 + 7 + 7 + 2 + 566 + 73 = 666.

2977256673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 870722064 + 2106534609 = 29508^2 + 45897^2 .

It is not a de Polignac number, because 2977256673 - 2¹ = 2977256671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2977256671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57448 + ... + 96201.

It is an arithmetic number, because the mean of its divisors is an integer number (358542275).

Almost surely, 2^2977256673 is an apocalyptic number.

It is an amenable number.

2977256673 is a deficient number, since it is larger than the sum of its proper divisors (1325250627).

2977256673 is a wasteful number, since it uses less digits than its factorization.

2977256673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155808 (or 155805 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The square root of 2977256673 is about 54564.2435391530. The cubic root of 2977256673 is about 1438.5957041743.

The spelling of 2977256673 in words is "two billion, nine hundred seventy-seven million, two hundred fifty-six thousand, six hundred seventy-three".