486780997 has 2 divisors, whose sum is σ = 486780998. Its totient is φ = 486780996.

The previous prime is 486780977. The next prime is 486781051. The reversal of 486780997 is 799087684.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471367521 + 15413476 = 21711^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 486780997 - 2¹⁹ = 486256709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486780977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243390498 + 243390499.

It is an arithmetic number, because the mean of its divisors is an integer number (243390499).

Almost surely, 2^486780997 is an apocalyptic number.

It is an amenable number.

486780997 is a deficient number, since it is larger than the sum of its proper divisors (1).

486780997 is an equidigital number, since it uses as much as digits as its factorization.

486780997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 486780997 is about 22063.1139461319. The cubic root of 486780997 is about 786.6433433149.

The spelling of 486780997 in words is "four hundred eighty-six million, seven hundred eighty thousand, nine hundred ninety-seven".