87079557 has 8 divisors (see below), whose sum is σ = 116154784. Its totient is φ = 58028688.

The previous prime is 87079543. The next prime is 87079571. The reversal of 87079557 is 75597078.

It is an interprime number because it is at equal distance from previous prime (87079543) and next prime (87079571).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87079557 - 2⁸ = 87079301 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 (87075557) 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, 5298 + ... + 14220.

It is an arithmetic number, because the mean of its divisors is an integer number (14519348).

Almost surely, 2^87079557 is an apocalyptic number.

It is an amenable number.

87079557 is a deficient number, since it is larger than the sum of its proper divisors (29075227).

87079557 is a wasteful number, since it uses less digits than its factorization.

87079557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179.

The product of its (nonzero) digits is 617400, while the sum is 48.

The square root of 87079557 is about 9331.6427814185. The cubic root of 87079557 is about 443.2397864821.

The spelling of 87079557 in words is "eighty-seven million, seventy-nine thousand, five hundred fifty-seven".