2977693057 has 4 divisors (see below), whose sum is σ = 2977821616. Its totient is φ = 2977564500.

The previous prime is 2977693051. The next prime is 2977693073. The reversal of 2977693057 is 7503967792.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2977693057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2977692989 and 2977693007.

It is not an unprimeable number, because it can be changed into a prime (2977693051) 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 3 ways as a sum of consecutive naturals, for example, 18819 + ... + 79432.

It is an arithmetic number, because the mean of its divisors is an integer number (744455404).

Almost surely, 2^2977693057 is an apocalyptic number.

It is an amenable number.

2977693057 is a deficient number, since it is larger than the sum of its proper divisors (128559).

2977693057 is an equidigital number, since it uses as much as digits as its factorization.

2977693057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128558.

The product of its (nonzero) digits is 5000940, while the sum is 55.

The square root of 2977693057 is about 54568.2422018522. The cubic root of 2977693057 is about 1438.6659869376.

The spelling of 2977693057 in words is "two billion, nine hundred seventy-seven million, six hundred ninety-three thousand, fifty-seven".