487491228872 has 36 divisors (see below), whose sum is σ = 944601175035. Its totient is φ = 235853230320.

The previous prime is 487491228857. The next prime is 487491228899. The reversal of 487491228872 is 278822194784.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 243745614436 + 243745614436 = 493706^2 + 493706^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=493706.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61215563 + ... + 61223525.

Almost surely, 2^487491228872 is an apocalyptic number.

It is an amenable number.

487491228872 is a deficient number, since it is larger than the sum of its proper divisors (457109946163).

487491228872 is an frugal number, since it uses more digits than its factorization.

487491228872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994 (or 7996 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 62.

The spelling of 487491228872 in words is "four hundred eighty-seven billion, four hundred ninety-one million, two hundred twenty-eight thousand, eight hundred seventy-two".