80428811 has 8 divisors (see below), whose sum is σ = 82014240. Its totient is φ = 78859008.

The previous prime is 80428807. The next prime is 80428813. The reversal of 80428811 is 11882408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80428811 - 2² = 80428807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80428813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6770 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (10251780).

Almost surely, 2^80428811 is an apocalyptic number.

80428811 is a deficient number, since it is larger than the sum of its proper divisors (1585429).

80428811 is a wasteful number, since it uses less digits than its factorization.

80428811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 80428811 is about 8968.2111371221. The cubic root of 80428811 is about 431.6554376279.

The spelling of 80428811 in words is "eighty million, four hundred twenty-eight thousand, eight hundred eleven".