71823819196680 has 64 divisors (see below), whose sum is σ = 215472130473600. Its totient is φ = 19152958640640.

The previous prime is 71823819196589. The next prime is 71823819196687. The reversal of 71823819196680 is 8669191832817.

It is a super-2 number, since 2×71823819196680² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71823819196687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48504060 + ... + 49962900.

It is an arithmetic number, because the mean of its divisors is an integer number (3366752038650).

Almost surely, 2^{71823819196680} is an apocalyptic number.

It is an amenable number.

71823819196680 is an abundant number, since it is smaller than the sum of its proper divisors (143648311276920).

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

71823819196680 is a wasteful number, since it uses less digits than its factorization.

71823819196680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869134 (or 1869130 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 71823819196680 in words is "seventy-one trillion, eight hundred twenty-three billion, eight hundred nineteen million, one hundred ninety-six thousand, six hundred eighty".