2485388977 has 2 divisors, whose sum is σ = 2485388978. Its totient is φ = 2485388976.

The previous prime is 2485388957. The next prime is 2485389007. The reversal of 2485388977 is 7798835842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2190614416 + 294774561 = 46804^2 + 17169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485388977 - 2²³ = 2477000369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2485388957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242694488 + 1242694489.

It is an arithmetic number, because the mean of its divisors is an integer number (1242694489).

Almost surely, 2^2485388977 is an apocalyptic number.

It is an amenable number.

2485388977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485388977 is an equidigital number, since it uses as much as digits as its factorization.

2485388977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 61.

The square root of 2485388977 is about 49853.6756618807. The cubic root of 2485388977 is about 1354.5596126987.

The spelling of 2485388977 in words is "two billion, four hundred eighty-five million, three hundred eighty-eight thousand, nine hundred seventy-seven".