80012987 has 8 divisors (see below), whose sum is σ = 82116720. Its totient is φ = 77931360.

The previous prime is 80012969. The next prime is 80012993. The reversal of 80012987 is 78921008.

It is a happy number.

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 80012987 - 2⁶ = 80012923 is a prime.

It is a super-3 number, since 3×80012987³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

80012987 is a modest number, since divided by 12987 gives 80 as remainder.

It is not an unprimeable number, because it can be changed into a prime (80012917) 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, 1937 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (10264590).

Almost surely, 2^80012987 is an apocalyptic number.

80012987 is a deficient number, since it is larger than the sum of its proper divisors (2103733).

80012987 is a wasteful number, since it uses less digits than its factorization.

80012987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 80012987 is about 8944.9978759081. The cubic root of 80012987 is about 430.9102531142.

The spelling of 80012987 in words is "eighty million, twelve thousand, nine hundred eighty-seven".