487442777 has 6 divisors (see below), whose sum is σ = 514448298. Its totient is φ = 461787552.

The previous prime is 487442771. The next prime is 487442779. The reversal of 487442777 is 777244784.

It can be written as a sum of positive squares in only one way, i.e., 383728921 + 103713856 = 19589^2 + 10184^2 .

It is not a de Polignac number, because 487442777 - 2¹⁸ = 487180633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487442771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674768 + ... + 675489.

It is an arithmetic number, because the mean of its divisors is an integer number (85741383).

Almost surely, 2^487442777 is an apocalyptic number.

It is an amenable number.

487442777 is a deficient number, since it is larger than the sum of its proper divisors (27005521).

487442777 is a wasteful number, since it uses less digits than its factorization.

487442777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350295 (or 1350276 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 50.

The square root of 487442777 is about 22078.1062820161. The cubic root of 487442777 is about 786.9996630978. Note that the first 3 decimals are identical.

The spelling of 487442777 in words is "four hundred eighty-seven million, four hundred forty-two thousand, seven hundred seventy-seven".