80142893 has 16 divisors (see below), whose sum is σ = 86400000. Its totient is φ = 74114352.

The previous prime is 80142889. The next prime is 80142911. The reversal of 80142893 is 39824108.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80142893 - 2² = 80142889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80132893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160358 + ... + 160856.

It is an arithmetic number, because the mean of its divisors is an integer number (5400000).

Almost surely, 2^80142893 is an apocalyptic number.

It is an amenable number.

80142893 is a deficient number, since it is larger than the sum of its proper divisors (6257107).

80142893 is a wasteful number, since it uses less digits than its factorization.

80142893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 80142893 is about 8952.2563077696. The cubic root of 80142893 is about 431.1433301111.

The spelling of 80142893 in words is "eighty million, one hundred forty-two thousand, eight hundred ninety-three".