2977897388 has 12 divisors (see below), whose sum is σ = 5223087240. Its totient is φ = 1485586752.

The previous prime is 2977897357. The next prime is 2977897409. The reversal of 2977897388 is 8837987792.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 838493 + ... + 842036.

It is an arithmetic number, because the mean of its divisors is an integer number (435257270).

Almost surely, 2^2977897388 is an apocalyptic number.

It is an amenable number.

2977897388 is a deficient number, since it is larger than the sum of its proper divisors (2245189852).

2977897388 is a wasteful number, since it uses less digits than its factorization.

2977897388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680976 (or 1680974 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 68.

The square root of 2977897388 is about 54570.1144217235. The cubic root of 2977897388 is about 1438.6988935458.

The spelling of 2977897388 in words is "two billion, nine hundred seventy-seven million, eight hundred ninety-seven thousand, three hundred eighty-eight".