87207673 has 4 divisors (see below), whose sum is σ = 99665920. Its totient is φ = 74749428.

The previous prime is 87207661. The next prime is 87207677. The reversal of 87207673 is 37670278.

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 87207673 - 2¹³ = 87199481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87207677) 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, 6229113 + ... + 6229126.

It is an arithmetic number, because the mean of its divisors is an integer number (24916480).

Almost surely, 2^87207673 is an apocalyptic number.

It is an amenable number.

87207673 is a deficient number, since it is larger than the sum of its proper divisors (12458247).

87207673 is a wasteful number, since it uses less digits than its factorization.

87207673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458246.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 87207673 is about 9338.5048589161. The cubic root of 87207673 is about 443.4570524868.

The spelling of 87207673 in words is "eighty-seven million, two hundred seven thousand, six hundred seventy-three".