2978077055 has 4 divisors (see below), whose sum is σ = 3573692472. Its totient is φ = 2382461640.

The previous prime is 2978077033. The next prime is 2978077073. The reversal of 2978077055 is 5507708792.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2978077055 - 2³⁰ = 1904335231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2978076994 and 2978077012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297807701 + ... + 297807710.

It is an arithmetic number, because the mean of its divisors is an integer number (893423118).

Almost surely, 2^2978077055 is an apocalyptic number.

2978077055 is a deficient number, since it is larger than the sum of its proper divisors (595615417).

2978077055 is an equidigital number, since it uses as much as digits as its factorization.

2978077055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595615416.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The square root of 2978077055 is about 54571.7606001492. The cubic root of 2978077055 is about 1438.7278268816.

The spelling of 2978077055 in words is "two billion, nine hundred seventy-eight million, seventy-seven thousand, fifty-five".