80818754 has 4 divisors (see below), whose sum is σ = 121228134. Its totient is φ = 40409376.

The previous prime is 80818753. The next prime is 80818763. The reversal of 80818754 is 45781808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77035729 + 3783025 = 8777^2 + 1945^2 .

It is a super-2 number, since 2×80818754² = 13063341996225032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80818753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20204687 + ... + 20204690.

Almost surely, 2^80818754 is an apocalyptic number.

80818754 is a deficient number, since it is larger than the sum of its proper divisors (40409380).

80818754 is a wasteful number, since it uses less digits than its factorization.

80818754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409379.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 80818754 is about 8989.9251387317. The cubic root of 80818754 is about 432.3519116110.

The spelling of 80818754 in words is "eighty million, eight hundred eighteen thousand, seven hundred fifty-four".