487197658 has 12 divisors (see below), whose sum is σ = 771284970. Its totient is φ = 230777496.

The previous prime is 487197649. The next prime is 487197671. The reversal of 487197658 is 856791784.

It can be written as a sum of positive squares in only one way, i.e., 380757169 + 106440489 = 19513^2 + 10317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 487197599 and 487197608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336673 + ... + 338116.

Almost surely, 2^487197658 is an apocalyptic number.

487197658 is a deficient number, since it is larger than the sum of its proper divisors (284087312).

487197658 is a wasteful number, since it uses less digits than its factorization.

487197658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674829 (or 674810 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 487197658 is about 22072.5544058679. The cubic root of 487197658 is about 786.8677221984.

The spelling of 487197658 in words is "four hundred eighty-seven million, one hundred ninety-seven thousand, six hundred fifty-eight".