830695321980 has 144 divisors (see below), whose sum is σ = 2714079688320. Its totient is φ = 204979372416.

The previous prime is 830695321919. The next prime is 830695322027. The reversal of 830695321980 is 89123596038.

830695321980 is a `hidden beast` number, since 8 + 30 + 69 + 532 + 19 + 8 + 0 = 666.

It is a super-2 number, since 2×830695321980² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2677282 + ... + 2971401.

Almost surely, 2^830695321980 is an apocalyptic number.

It is an amenable number.

830695321980 is an abundant number, since it is smaller than the sum of its proper divisors (1883384366340).

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

830695321980 is a wasteful number, since it uses less digits than its factorization.

830695321980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648760 (or 5648755 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 830695321980 in words is "eight hundred thirty billion, six hundred ninety-five million, three hundred twenty-one thousand, nine hundred eighty".