61796535980 has 24 divisors (see below), whose sum is σ = 129778096560. Its totient is φ = 24717591360.

The previous prime is 61796535971. The next prime is 61796536003. The reversal of 61796535980 is 8953569716.

It is a super-3 number, since 3×61796535980³ (a number of 33 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 599051 + ... + 694589.

It is an arithmetic number, because the mean of its divisors is an integer number (5407420690).

Almost surely, 2^61796535980 is an apocalyptic number.

It is an amenable number.

61796535980 is an abundant number, since it is smaller than the sum of its proper divisors (67981560580).

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

61796535980 is a wasteful number, since it uses less digits than its factorization.

61796535980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127889 (or 127887 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 61796535980 in words is "sixty-one billion, seven hundred ninety-six million, five hundred thirty-five thousand, nine hundred eighty".