80428486 has 4 divisors (see below), whose sum is σ = 120642732. Its totient is φ = 40214242.

The previous prime is 80428471. The next prime is 80428487. The reversal of 80428486 is 68482408.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80428487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107120 + ... + 20107123.

It is an arithmetic number, because the mean of its divisors is an integer number (30160683).

Almost surely, 2^80428486 is an apocalyptic number.

80428486 is a deficient number, since it is larger than the sum of its proper divisors (40214246).

80428486 is a wasteful number, since it uses less digits than its factorization.

80428486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214245.

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 80428486 is about 8968.1930175482. The cubic root of 80428486 is about 431.6548562102.

The spelling of 80428486 in words is "eighty million, four hundred twenty-eight thousand, four hundred eighty-six".