487901771492 has 12 divisors (see below), whose sum is σ = 855696436140. Its totient is φ = 243417075456.

The previous prime is 487901771491. The next prime is 487901771521. The reversal of 487901771492 is 294177109784.

It can be written as a sum of positive squares in 2 ways, for example, as 168638350336 + 319263421156 = 410656^2 + 565034^2 .

It is not an unprimeable number, because it can be changed into a prime (487901771491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133450517 + ... + 133454172.

It is an arithmetic number, because the mean of its divisors is an integer number (71308036345).

Almost surely, 2^487901771492 is an apocalyptic number.

It is an amenable number.

487901771492 is a deficient number, since it is larger than the sum of its proper divisors (367794664648).

487901771492 is a wasteful number, since it uses less digits than its factorization.

487901771492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266905150 (or 266905148 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 487901771492 in words is "four hundred eighty-seven billion, nine hundred one million, seven hundred seventy-one thousand, four hundred ninety-two".