30864877982 has 36 divisors (see below), whose sum is σ = 48095022528. Its totient is φ = 14855349600.

The previous prime is 30864877919. The next prime is 30864878021. The reversal of 30864877982 is 28977846803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20981507 + ... + 20982977.

It is an arithmetic number, because the mean of its divisors is an integer number (1335972848).

Almost surely, 2^30864877982 is an apocalyptic number.

30864877982 is a deficient number, since it is larger than the sum of its proper divisors (17230144546).

30864877982 is an equidigital number, since it uses as much as digits as its factorization.

30864877982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 30864877982 in words is "thirty billion, eight hundred sixty-four million, eight hundred seventy-seven thousand, nine hundred eighty-two".