80523370 has 16 divisors (see below), whose sum is σ = 145103400. Its totient is φ = 32173504.

The previous prime is 80523367. The next prime is 80523371. The reversal of 80523370 is 7332508.

It can be written as a sum of positive squares in 4 ways, for example, as 35485849 + 45037521 = 5957^2 + 6711^2 .

It is not an unprimeable number, because it can be changed into a prime (80523371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156 + ... + 14104.

Almost surely, 2^80523370 is an apocalyptic number.

80523370 is a deficient number, since it is larger than the sum of its proper divisors (64580030).

80523370 is a wasteful number, since it uses less digits than its factorization.

80523370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 80523370 is about 8973.4814871375. The cubic root of 80523370 is about 431.8245350799.

Adding to 80523370 its reverse (7332508), we get a palindrome (87855878).

The spelling of 80523370 in words is "eighty million, five hundred twenty-three thousand, three hundred seventy".