80354469 has 16 divisors (see below), whose sum is σ = 115640000. Its totient is φ = 49337856.

The previous prime is 80354467. The next prime is 80354501. The reversal of 80354469 is 96445308.

It is not a de Polignac number, because 80354469 - 2¹ = 80354467 is a prime.

It is a super-2 number, since 2×80354469² = 12913681376543922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80354467) 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, 17397 + ... + 21525.

It is an arithmetic number, because the mean of its divisors is an integer number (7227500).

Almost surely, 2^80354469 is an apocalyptic number.

It is an amenable number.

80354469 is a deficient number, since it is larger than the sum of its proper divisors (35285531).

80354469 is a wasteful number, since it uses less digits than its factorization.

80354469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 80354469 is about 8964.0654281414. The cubic root of 80354469 is about 431.5224006377.

The spelling of 80354469 in words is "eighty million, three hundred fifty-four thousand, four hundred sixty-nine".