851617980058 has 8 divisors (see below), whose sum is σ = 1278322157952. Its totient is φ = 425510594076.

The previous prime is 851617979977. The next prime is 851617980097. The reversal of 851617980058 is 850089716158.

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

It is a junction number, because it is equal to n+sod(n) for n = 851617979984 and 851617980011.

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, 149194410 + ... + 149200117.

It is an arithmetic number, because the mean of its divisors is an integer number (159790269744).

Almost surely, 2^851617980058 is an apocalyptic number.

851617980058 is a deficient number, since it is larger than the sum of its proper divisors (426704177894).

851617980058 is a wasteful number, since it uses less digits than its factorization.

851617980058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298395956.

The product of its (nonzero) digits is 4838400, while the sum is 58.

The spelling of 851617980058 in words is "eight hundred fifty-one billion, six hundred seventeen million, nine hundred eighty thousand, fifty-eight".