1973342608776 has 768 divisors, whose sum is σ = 7268382720000. Its totient is φ = 481834552320.

The previous prime is 1973342608747. The next prime is 1973342608781. The reversal of 1973342608776 is 6778062433791.

1973342608776 is a `hidden beast` number, since 1 + 97 + 3 + 342 + 60 + 87 + 76 = 666.

It is a super-2 number, since 2×1973342608776² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 822567625 + ... + 822570023.

It is an arithmetic number, because the mean of its divisors is an integer number (9464040000).

Almost surely, 2^{1973342608776} 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 1973342608776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3634191360000).

1973342608776 is an abundant number, since it is smaller than the sum of its proper divisors (5295040111224).

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

1973342608776 is a wasteful number, since it uses less digits than its factorization.

1973342608776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 63.

The spelling of 1973342608776 in words is "one trillion, nine hundred seventy-three billion, three hundred forty-two million, six hundred eight thousand, seven hundred seventy-six".