87556079 has 8 divisors (see below), whose sum is σ = 94670352. Its totient is φ = 80496000.

The previous prime is 87556061. The next prime is 87556087. The reversal of 87556079 is 97065578.

It is a happy number.

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

It is not a de Polignac number, because 87556079 - 2¹² = 87551983 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 (87556019) 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, 10154 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (11833794).

Almost surely, 2^87556079 is an apocalyptic number.

87556079 is a deficient number, since it is larger than the sum of its proper divisors (7114273).

87556079 is a wasteful number, since it uses less digits than its factorization.

87556079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 87556079 is about 9357.1405354414. The cubic root of 87556079 is about 444.0468239853.

The spelling of 87556079 in words is "eighty-seven million, five hundred fifty-six thousand, seventy-nine".