80140669 has 8 divisors (see below), whose sum is σ = 96977088. Its totient is φ = 64651200.

The previous prime is 80140639. The next prime is 80140679. The reversal of 80140669 is 96604108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80140669 - 2¹¹ = 80138621 is a prime.

It is a super-2 number, since 2×80140669² = 12845053655535122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80140639) 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, 336607 + ... + 336844.

It is an arithmetic number, because the mean of its divisors is an integer number (12122136).

Almost surely, 2^80140669 is an apocalyptic number.

It is an amenable number.

80140669 is a deficient number, since it is larger than the sum of its proper divisors (16836419).

80140669 is a wasteful number, since it uses less digits than its factorization.

80140669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673475.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80140669 is about 8952.1320924124. The cubic root of 80140669 is about 431.1393419361.

The spelling of 80140669 in words is "eighty million, one hundred forty thousand, six hundred sixty-nine".