486578792447 has 4 divisors (see below), whose sum is σ = 530813228136. Its totient is φ = 442344356760.

The previous prime is 486578792423. The next prime is 486578792461. The reversal of 486578792447 is 744297875684.

It is a happy number.

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 486578792447 - 2⁸ = 486578792191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486578792347) 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, 22117217828 + ... + 22117217849.

It is an arithmetic number, because the mean of its divisors is an integer number (132703307034).

Almost surely, 2^486578792447 is an apocalyptic number.

486578792447 is a deficient number, since it is larger than the sum of its proper divisors (44234435689).

486578792447 is a wasteful number, since it uses less digits than its factorization.

486578792447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234435688.

The product of its digits is 758661120, while the sum is 71.

The spelling of 486578792447 in words is "four hundred eighty-six billion, five hundred seventy-eight million, seven hundred ninety-two thousand, four hundred forty-seven".