487678025378 has 4 divisors (see below), whose sum is σ = 731517038070. Its totient is φ = 243839012688.

The previous prime is 487678025323. The next prime is 487678025389. The reversal of 487678025378 is 873520876784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 273306247369 + 214371778009 = 522787^2 + 463003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121919506343 + ... + 121919506346.

Almost surely, 2^487678025378 is an apocalyptic number.

487678025378 is a deficient number, since it is larger than the sum of its proper divisors (243839012692).

487678025378 is a wasteful number, since it uses less digits than its factorization.

487678025378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243839012691.

The product of its (nonzero) digits is 126443520, while the sum is 65.

The spelling of 487678025378 in words is "four hundred eighty-seven billion, six hundred seventy-eight million, twenty-five thousand, three hundred seventy-eight".