87067412 has 6 divisors (see below), whose sum is σ = 152367978. Its totient is φ = 43533704.

The previous prime is 87067391. The next prime is 87067423. The reversal of 87067412 is 21476078.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76282756 + 10784656 = 8734^2 + 3284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10883423 + ... + 10883430.

It is an arithmetic number, because the mean of its divisors is an integer number (25394663).

Almost surely, 2^87067412 is an apocalyptic number.

It is an amenable number.

87067412 is a deficient number, since it is larger than the sum of its proper divisors (65300566).

87067412 is a wasteful number, since it uses less digits than its factorization.

87067412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766857 (or 21766855 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 87067412 is about 9330.9920158577. The cubic root of 87067412 is about 443.2191792823.

The spelling of 87067412 in words is "eighty-seven million, sixty-seven thousand, four hundred twelve".