87547079 has 8 divisors (see below), whose sum is σ = 93018240. Its totient is φ = 82162296.

The previous prime is 87547073. The next prime is 87547081. The reversal of 87547079 is 97074578.

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 87547079 - 2¹⁶ = 87481543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87547073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19499 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (11627280).

Almost surely, 2^87547079 is an apocalyptic number.

87547079 is a deficient number, since it is larger than the sum of its proper divisors (5471161).

87547079 is a wasteful number, since it uses less digits than its factorization.

87547079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43189.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 87547079 is about 9356.6596069324. The cubic root of 87547079 is about 444.0316087526.

The spelling of 87547079 in words is "eighty-seven million, five hundred forty-seven thousand, seventy-nine".