80368257106 has 4 divisors (see below), whose sum is σ = 120552385662. Its totient is φ = 40184128552.

The previous prime is 80368257049. The next prime is 80368257181. The reversal of 80368257106 is 60175286308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74876113225 + 5492143881 = 273635^2 + 74109^2 .

It is a super-2 number, since 2×80368257106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092064275 + ... + 20092064278.

Almost surely, 2^80368257106 is an apocalyptic number.

80368257106 is a deficient number, since it is larger than the sum of its proper divisors (40184128556).

80368257106 is a wasteful number, since it uses less digits than its factorization.

80368257106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40184128555.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 80368257106 in words is "eighty billion, three hundred sixty-eight million, two hundred fifty-seven thousand, one hundred six".