830977966 has 48 divisors (see below), whose sum is σ = 1566537840. Its totient is φ = 327680640.

The previous prime is 830977963. The next prime is 830977991. The reversal of 830977966 is 669779038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830977963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481986 + ... + 483706.

It is an arithmetic number, because the mean of its divisors is an integer number (32636205).

Almost surely, 2^830977966 is an apocalyptic number.

830977966 is a deficient number, since it is larger than the sum of its proper divisors (735559874).

830977966 is a wasteful number, since it uses less digits than its factorization.

830977966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 830977966 is about 28826.6884327701. The cubic root of 830977966 is about 940.1485980561.

The spelling of 830977966 in words is "eight hundred thirty million, nine hundred seventy-seven thousand, nine hundred sixty-six".