80351428 has 6 divisors (see below), whose sum is σ = 140615006. Its totient is φ = 40175712.

The previous prime is 80351413. The next prime is 80351461. The reversal of 80351428 is 82415308.

It can be written as a sum of positive squares in only one way, i.e., 62441604 + 17909824 = 7902^2 + 4232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80351428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043925 + ... + 10043932.

Almost surely, 2^80351428 is an apocalyptic number.

It is an amenable number.

80351428 is a deficient number, since it is larger than the sum of its proper divisors (60263578).

80351428 is a wasteful number, since it uses less digits than its factorization.

80351428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20087861 (or 20087859 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 80351428 is about 8963.8958048384. The cubic root of 80351428 is about 431.5169569406.

The spelling of 80351428 in words is "eighty million, three hundred fifty-one thousand, four hundred twenty-eight".