61976498276420 has 192 divisors, whose sum is σ = 161973028062720. Its totient is φ = 19396307202048.

The previous prime is 61976498276377. The next prime is 61976498276431. The reversal of 61976498276420 is 2467289467916.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 108184496 + ... + 108755864.

It is an arithmetic number, because the mean of its divisors is an integer number (843609521160).

Almost surely, 2^{61976498276420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61976498276420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80986514031360).

61976498276420 is an abundant number, since it is smaller than the sum of its proper divisors (99996529786300).

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

61976498276420 is a wasteful number, since it uses less digits than its factorization.

61976498276420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572062 (or 572060 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 71.

The spelling of 61976498276420 in words is "sixty-one trillion, nine hundred seventy-six billion, four hundred ninety-eight million, two hundred seventy-six thousand, four hundred twenty".