80987093 has 4 divisors (see below), whose sum is σ = 88349568. Its totient is φ = 73624620.

The previous prime is 80987083. The next prime is 80987107. The reversal of 80987093 is 39078908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80987093 - 2⁶ = 80987029 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 (80987083) 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, 3681221 + ... + 3681242.

It is an arithmetic number, because the mean of its divisors is an integer number (22087392).

Almost surely, 2^80987093 is an apocalyptic number.

It is an amenable number.

80987093 is a deficient number, since it is larger than the sum of its proper divisors (7362475).

80987093 is a wasteful number, since it uses less digits than its factorization.

80987093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362474.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 80987093 is about 8999.2829158772. The cubic root of 80987093 is about 432.6518882477.

The spelling of 80987093 in words is "eighty million, nine hundred eighty-seven thousand, ninety-three".