87340845 has 8 divisors (see below), whose sum is σ = 139745376. Its totient is φ = 46581776.

The previous prime is 87340843. The next prime is 87340871. The reversal of 87340845 is 54804378.

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 87340845 - 2¹ = 87340843 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87340843) 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, 2911347 + ... + 2911376.

It is an arithmetic number, because the mean of its divisors is an integer number (17468172).

Almost surely, 2^87340845 is an apocalyptic number.

It is an amenable number.

87340845 is a deficient number, since it is larger than the sum of its proper divisors (52404531).

87340845 is a wasteful number, since it uses less digits than its factorization.

87340845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822731.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 87340845 is about 9345.6324023578. The cubic root of 87340845 is about 443.6826672948.

The spelling of 87340845 in words is "eighty-seven million, three hundred forty thousand, eight hundred forty-five".