488678766819 has 4 divisors (see below), whose sum is σ = 651571689096. Its totient is φ = 325785844544.

The previous prime is 488678766809. The next prime is 488678766839. The reversal of 488678766819 is 918667876884.

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

It is a cyclic number.

It is not a de Polignac number, because 488678766819 - 2⁴ = 488678766803 is a prime.

It is a super-2 number, since 2×488678766819² (a number of 24 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (488678766809) 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, 81446461134 + ... + 81446461139.

It is an arithmetic number, because the mean of its divisors is an integer number (162892922274).

Almost surely, 2^488678766819 is an apocalyptic number.

488678766819 is a deficient number, since it is larger than the sum of its proper divisors (162892922277).

488678766819 is a wasteful number, since it uses less digits than its factorization.

488678766819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162892922276.

The product of its digits is 1560674304, while the sum is 78.

The spelling of 488678766819 in words is "four hundred eighty-eight billion, six hundred seventy-eight million, seven hundred sixty-six thousand, eight hundred nineteen".