80016428 has 6 divisors (see below), whose sum is σ = 140028756. Its totient is φ = 40008212.

The previous prime is 80016413. The next prime is 80016437. The reversal of 80016428 is 82461008.

It is a self number, because there is not a number n which added to its sum of digits gives 80016428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002050 + ... + 10002057.

It is an arithmetic number, because the mean of its divisors is an integer number (23338126).

Almost surely, 2^80016428 is an apocalyptic number.

It is an amenable number.

80016428 is a deficient number, since it is larger than the sum of its proper divisors (60012328).

80016428 is a wasteful number, since it uses less digits than its factorization.

80016428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004111 (or 20004109 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 80016428 is about 8945.1902159764. The cubic root of 80016428 is about 430.9164301986.

The spelling of 80016428 in words is "eighty million, sixteen thousand, four hundred twenty-eight".