61273360876 has 48 divisors (see below), whose sum is σ = 132023094336. Its totient is φ = 24230882304.

The previous prime is 61273360871. The next prime is 61273360879. The reversal of 61273360876 is 67806337216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61273360871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980520 + ... + 1041136.

It is an arithmetic number, because the mean of its divisors is an integer number (2750481132).

Almost surely, 2^61273360876 is an apocalyptic number.

It is an amenable number.

61273360876 is an abundant number, since it is smaller than the sum of its proper divisors (70749733460).

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

61273360876 is a wasteful number, since it uses less digits than its factorization.

61273360876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63418 (or 63416 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 61273360876 in words is "sixty-one billion, two hundred seventy-three million, three hundred sixty thousand, eight hundred seventy-six".