80378236722 has 48 divisors (see below), whose sum is σ = 187266669120. Its totient is φ = 22932760032.

The previous prime is 80378236721. The next prime is 80378236727. The reversal of 80378236722 is 22763287308.

It is not an unprimeable number, because it can be changed into a prime (80378236721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15643 + ... + 401249.

It is an arithmetic number, because the mean of its divisors is an integer number (3901388940).

Almost surely, 2^80378236722 is an apocalyptic number.

80378236722 is an abundant number, since it is smaller than the sum of its proper divisors (106888432398).

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

80378236722 is a wasteful number, since it uses less digits than its factorization.

80378236722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386335 (or 386328 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 80378236722 in words is "eighty billion, three hundred seventy-eight million, two hundred thirty-six thousand, seven hundred twenty-two".