486582978025 has 9 divisors (see below), whose sum is σ = 603367217623. Its totient is φ = 389263592200.

The previous prime is 486582977977. The next prime is 486582978029. The reversal of 486582978025 is 520879285684.

The square root of 486582978025 is 697555.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 175169872089 + 311413105936 = 418533^2 + 558044^2 .

It is not a de Polignac number, because 486582978025 - 2¹⁵ = 486582945257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486582978029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3418020 + ... + 3557530.

Almost surely, 2^486582978025 is an apocalyptic number.

486582978025 is the 697555-th square number.

486582978025 is the 348778-th centered octagonal number.

It is an amenable number.

486582978025 is a deficient number, since it is larger than the sum of its proper divisors (116784239598).

486582978025 is an frugal number, since it uses more digits than its factorization.

486582978025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279032 (or 139516 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 64.

Multiplying 486582978025 by its sum of digits (64), we get a square (31141310593600 = 5580440²).

The spelling of 486582978025 in words is "four hundred eighty-six billion, five hundred eighty-two million, nine hundred seventy-eight thousand, twenty-five".