80565492 has 96 divisors (see below), whose sum is σ = 222969600. Its totient is φ = 22164480.

The previous prime is 80565479. The next prime is 80565493. The reversal of 80565492 is 29456508.

80565492 is nontrivially palindromic in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 80565492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80565493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513078 + ... + 513234.

It is an arithmetic number, because the mean of its divisors is an integer number (2322600).

Almost surely, 2^80565492 is an apocalyptic number.

80565492 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80565492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111484800).

80565492 is an abundant number, since it is smaller than the sum of its proper divisors (142404108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80565492 is a wasteful number, since it uses less digits than its factorization.

80565492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 80565492 is about 8975.8282069122. The cubic root of 80565492 is about 431.8998181617.

The spelling of 80565492 in words is "eighty million, five hundred sixty-five thousand, four hundred ninety-two".