80623469 has 4 divisors (see below), whose sum is σ = 85366044. Its totient is φ = 75880896.

The previous prime is 80623427. The next prime is 80623489. The reversal of 80623469 is 96432608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42640900 + 37982569 = 6530^2 + 6163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80623469 is a prime.

It is a super-2 number, since 2×80623469² = 13000287507187922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80623489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371262 + ... + 2371295.

It is an arithmetic number, because the mean of its divisors is an integer number (21341511).

Almost surely, 2^80623469 is an apocalyptic number.

It is an amenable number.

80623469 is a deficient number, since it is larger than the sum of its proper divisors (4742575).

80623469 is a wasteful number, since it uses less digits than its factorization.

80623469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742574.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 80623469 is about 8979.0572444996. The cubic root of 80623469 is about 432.0033953923.

The spelling of 80623469 in words is "eighty million, six hundred twenty-three thousand, four hundred sixty-nine".