87551071 has 8 divisors (see below), whose sum is σ = 94451184. Its totient is φ = 80845440.

The previous prime is 87551027. The next prime is 87551077. The reversal of 87551071 is 17015578.

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 87551071 - 2¹¹ = 87549023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87551077) 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, 47685 + ... + 49486.

It is an arithmetic number, because the mean of its divisors is an integer number (11806398).

Almost surely, 2^87551071 is an apocalyptic number.

87551071 is a deficient number, since it is larger than the sum of its proper divisors (6900113).

87551071 is a wasteful number, since it uses less digits than its factorization.

87551071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97241.

The product of its (nonzero) digits is 9800, while the sum is 34.

The square root of 87551071 is about 9356.8729284949. The cubic root of 87551071 is about 444.0383576823.

The spelling of 87551071 in words is "eighty-seven million, five hundred fifty-one thousand, seventy-one".