87041267 has 4 divisors (see below), whose sum is σ = 90042720. Its totient is φ = 84039816.

The previous prime is 87041249. The next prime is 87041281. The reversal of 87041267 is 76214078.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76214078 = 2 ⋅38107039.

It is a cyclic number.

It is not a de Polignac number, because 87041267 - 2⁶ = 87041203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87040267) 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, 1500683 + ... + 1500740.

It is an arithmetic number, because the mean of its divisors is an integer number (22510680).

Almost surely, 2^87041267 is an apocalyptic number.

87041267 is a deficient number, since it is larger than the sum of its proper divisors (3001453).

87041267 is a wasteful number, since it uses less digits than its factorization.

87041267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001452.

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

The square root of 87041267 is about 9329.5909342264. The cubic root of 87041267 is about 443.1748108813.

The spelling of 87041267 in words is "eighty-seven million, forty-one thousand, two hundred sixty-seven".