61307085882 has 48 divisors (see below), whose sum is σ = 143721702432. Its totient is φ = 17382587040.

The previous prime is 61307085871. The next prime is 61307085899. The reversal of 61307085882 is 28858070316.

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 23 ways as a sum of consecutive naturals, for example, 757393 + ... + 834420.

It is an arithmetic number, because the mean of its divisors is an integer number (2994202134).

Almost surely, 2^61307085882 is an apocalyptic number.

61307085882 is an abundant number, since it is smaller than the sum of its proper divisors (82414616550).

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

61307085882 is a wasteful number, since it uses less digits than its factorization.

61307085882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591963 (or 1591956 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 61307085882 in words is "sixty-one billion, three hundred seven million, eighty-five thousand, eight hundred eighty-two".