488931277 has 2 divisors, whose sum is σ = 488931278. Its totient is φ = 488931276.

The previous prime is 488931269. The next prime is 488931281. The reversal of 488931277 is 772139884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337493641 + 151437636 = 18371^2 + 12306^2 .

It is a cyclic number.

It is not a de Polignac number, because 488931277 - 2³ = 488931269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 488931277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488932277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244465638 + 244465639.

It is an arithmetic number, because the mean of its divisors is an integer number (244465639).

Almost surely, 2^488931277 is an apocalyptic number.

It is an amenable number.

488931277 is a deficient number, since it is larger than the sum of its proper divisors (1).

488931277 is an equidigital number, since it uses as much as digits as its factorization.

488931277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 488931277 is about 22111.7904521547. The cubic root of 488931277 is about 787.7999338563.

The spelling of 488931277 in words is "four hundred eighty-eight million, nine hundred thirty-one thousand, two hundred seventy-seven".