830148974856 has 40 divisors (see below), whose sum is σ = 2325185787870. Its totient is φ = 276716324736.

The previous prime is 830148974849. The next prime is 830148974887. The reversal of 830148974856 is 658479841038.

830148974856 is a `hidden beast` number, since 8 + 3 + 0 + 1 + 489 + 74 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 612722610756 + 217426364100 = 782766^2 + 466290^2 .

It is a junction number, because it is equal to n+sod(n) for n = 830148974793 and 830148974802.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 640546401 + ... + 640547696.

Almost surely, 2^830148974856 is an apocalyptic number.

It is an amenable number.

830148974856 is an abundant number, since it is smaller than the sum of its proper divisors (1495036813014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830148974856 is a wasteful number, since it uses less digits than its factorization.

830148974856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281094115 (or 1281094102 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 830148974856 in words is "eight hundred thirty billion, one hundred forty-eight million, nine hundred seventy-four thousand, eight hundred fifty-six".