87036347 has 4 divisors (see below), whose sum is σ = 90820560. Its totient is φ = 83252136.

The previous prime is 87036307. The next prime is 87036349. The reversal of 87036347 is 74363078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87036347 - 2¹⁰ = 87035323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 87036347.

It is not an unprimeable number, because it can be changed into a prime (87036349) 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, 1892072 + ... + 1892117.

It is an arithmetic number, because the mean of its divisors is an integer number (22705140).

Almost surely, 2^87036347 is an apocalyptic number.

87036347 is a deficient number, since it is larger than the sum of its proper divisors (3784213).

87036347 is a wasteful number, since it uses less digits than its factorization.

87036347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784212.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 87036347 is about 9329.3272533447. The cubic root of 87036347 is about 443.1664605849.

The spelling of 87036347 in words is "eighty-seven million, thirty-six thousand, three hundred forty-seven".