61860928282830 has 24 divisors (see below), whose sum is σ = 160838413535592. Its totient is φ = 16496247542064.

The previous prime is 61860928282807. The next prime is 61860928282859. The reversal of 61860928282830 is 3828282906816.

61860928282830 is a `hidden beast` number, since 6 + 18 + 60 + 9 + 282 + 8 + 283 + 0 = 666.

61860928282830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61860928282830² (a number of 28 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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343671823704 + ... + 343671823883.

It is an arithmetic number, because the mean of its divisors is an integer number (6701600563983).

Almost surely, 2^{61860928282830} is an apocalyptic number.

61860928282830 is an abundant number, since it is smaller than the sum of its proper divisors (98977485252762).

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

61860928282830 is a wasteful number, since it uses less digits than its factorization.

61860928282830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687343647600 (or 687343647597 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 61860928282830 in words is "sixty-one trillion, eight hundred sixty billion, nine hundred twenty-eight million, two hundred eighty-two thousand, eight hundred thirty".