87594991 has 8 divisors (see below), whose sum is σ = 95642064. Its totient is φ = 79561920.

The previous prime is 87594989. The next prime is 87595003. The reversal of 87594991 is 19949578.

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 87594991 - 2¹ = 87594989 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 (87594691) 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, 12985 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (11955258).

Almost surely, 2^87594991 is an apocalyptic number.

87594991 is a deficient number, since it is larger than the sum of its proper divisors (8047073).

87594991 is a wasteful number, since it uses less digits than its factorization.

87594991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its digits is 816480, while the sum is 52.

The square root of 87594991 is about 9359.2195721652. The cubic root of 87594991 is about 444.1125958927.

The spelling of 87594991 in words is "eighty-seven million, five hundred ninety-four thousand, nine hundred ninety-one".