80722828 has 6 divisors (see below), whose sum is σ = 141264956. Its totient is φ = 40361412.

The previous prime is 80722823. The next prime is 80722843. The reversal of 80722828 is 82822708.

It is not an unprimeable number, because it can be changed into a prime (80722823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10090350 + ... + 10090357.

Almost surely, 2^80722828 is an apocalyptic number.

It is an amenable number.

80722828 is a deficient number, since it is larger than the sum of its proper divisors (60542128).

80722828 is a wasteful number, since it uses less digits than its factorization.

80722828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20180711 (or 20180709 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 80722828 is about 8984.5883600753. The cubic root of 80722828 is about 432.1807871007.

The spelling of 80722828 in words is "eighty million, seven hundred twenty-two thousand, eight hundred twenty-eight".