80223815 has 16 divisors (see below), whose sum is σ = 113571840. Its totient is φ = 53235360.

The previous prime is 80223811. The next prime is 80223817. The reversal of 80223815 is 51832208.

It is not a de Polignac number, because 80223815 - 2² = 80223811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80223811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35885 + ... + 38054.

It is an arithmetic number, because the mean of its divisors is an integer number (7098240).

Almost surely, 2^80223815 is an apocalyptic number.

80223815 is a deficient number, since it is larger than the sum of its proper divisors (33348025).

80223815 is a wasteful number, since it uses less digits than its factorization.

80223815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73982.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80223815 is about 8956.7748101646. The cubic root of 80223815 is about 431.2883928572.

The spelling of 80223815 in words is "eighty million, two hundred twenty-three thousand, eight hundred fifteen".