80233815 has 16 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 42574752.

The previous prime is 80233801. The next prime is 80233817. The reversal of 80233815 is 51833208.

It is a happy number.

It is not a de Polignac number, because 80233815 - 2¹⁰ = 80232791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80233817) 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, 10455 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^80233815 is an apocalyptic number.

80233815 is a deficient number, since it is larger than the sum of its proper divisors (48790185).

80233815 is a wasteful number, since it uses less digits than its factorization.

80233815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80233815 is about 8957.3330294234. Note that the first 3 decimals coincide. The cubic root of 80233815 is about 431.3063123272.

The spelling of 80233815 in words is "eighty million, two hundred thirty-three thousand, eight hundred fifteen".