488781277 has 2 divisors, whose sum is σ = 488781278. Its totient is φ = 488781276.

The previous prime is 488781203. The next prime is 488781313. The reversal of 488781277 is 772187884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359254116 + 129527161 = 18954^2 + 11381^2 .

It is a cyclic number.

It is not a de Polignac number, because 488781277 - 2²³ = 480392669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488781577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244390638 + 244390639.

It is an arithmetic number, because the mean of its divisors is an integer number (244390639).

Almost surely, 2^488781277 is an apocalyptic number.

It is an amenable number.

488781277 is a deficient number, since it is larger than the sum of its proper divisors (1).

488781277 is an equidigital number, since it uses as much as digits as its factorization.

488781277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1404928, while the sum is 52.

The square root of 488781277 is about 22108.3983363789. The cubic root of 488781277 is about 787.7193621535.

The spelling of 488781277 in words is "four hundred eighty-eight million, seven hundred eighty-one thousand, two hundred seventy-seven".