51058479866 has 8 divisors (see below), whose sum is σ = 80618652480. Its totient is φ = 24185595708.

The previous prime is 51058479851. The next prime is 51058479893. The reversal of 51058479866 is 66897485015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671822066 + ... + 671822141.

It is an arithmetic number, because the mean of its divisors is an integer number (10077331560).

Almost surely, 2^51058479866 is an apocalyptic number.

51058479866 is a deficient number, since it is larger than the sum of its proper divisors (29560172614).

51058479866 is a wasteful number, since it uses less digits than its factorization.

51058479866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343644228.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 51058479866 in words is "fifty-one billion, fifty-eight million, four hundred seventy-nine thousand, eight hundred sixty-six".