80374521064 has 8 divisors (see below), whose sum is σ = 150702227010. Its totient is φ = 40187260528.

The previous prime is 80374521053. The next prime is 80374521077. The reversal of 80374521064 is 46012547308.

It can be written as a sum of positive squares in only one way, i.e., 41824340100 + 38550180964 = 204510^2 + 196342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023407559 + ... + 5023407574.

Almost surely, 2^80374521064 is an apocalyptic number.

It is an amenable number.

80374521064 is a deficient number, since it is larger than the sum of its proper divisors (70327705946).

80374521064 is a wasteful number, since it uses less digits than its factorization.

80374521064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046815139 (or 10046815135 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 80374521064 in words is "eighty billion, three hundred seventy-four million, five hundred twenty-one thousand, sixty-four".