487655278 has 16 divisors (see below), whose sum is σ = 806211504. Its totient is φ = 219375360.

The previous prime is 487655261. The next prime is 487655291. The reversal of 487655278 is 872556784.

It is a super-2 number, since 2×487655278² = 475615340322514568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112125 + ... + 116392.

It is an arithmetic number, because the mean of its divisors is an integer number (50388219).

Almost surely, 2^487655278 is an apocalyptic number.

487655278 is a deficient number, since it is larger than the sum of its proper divisors (318556226).

487655278 is a wasteful number, since it uses less digits than its factorization.

487655278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228627.

The product of its digits is 3763200, while the sum is 52.

The square root of 487655278 is about 22082.9182401240. The cubic root of 487655278 is about 787.1140108235.

The spelling of 487655278 in words is "four hundred eighty-seven million, six hundred fifty-five thousand, two hundred seventy-eight".