830478868 has 6 divisors (see below), whose sum is σ = 1453338026. Its totient is φ = 415239432.

The previous prime is 830478853. The next prime is 830478877. The reversal of 830478868 is 868874038.

It can be written as a sum of positive squares in only one way, i.e., 811224324 + 19254544 = 28482^2 + 4388^2 .

It is a super-2 number, since 2×830478868² = 1379390300389122848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103809855 + ... + 103809862.

Almost surely, 2^830478868 is an apocalyptic number.

It is an amenable number.

830478868 is a deficient number, since it is larger than the sum of its proper divisors (622859158).

830478868 is a wasteful number, since it uses less digits than its factorization.

830478868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207619721 (or 207619719 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 830478868 is about 28818.0302588501. The cubic root of 830478868 is about 939.9603378467.

The spelling of 830478868 in words is "eight hundred thirty million, four hundred seventy-eight thousand, eight hundred sixty-eight".