87481611 has 36 divisors (see below), whose sum is σ = 148016232. Its totient is φ = 49641984.

The previous prime is 87481607. The next prime is 87481619. The reversal of 87481611 is 11618478.

It is not a de Polignac number, because 87481611 - 2² = 87481607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87481619) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71275 + ... + 72491.

It is an arithmetic number, because the mean of its divisors is an integer number (4111562).

Almost surely, 2^87481611 is an apocalyptic number.

87481611 is a deficient number, since it is larger than the sum of its proper divisors (60534621).

87481611 is a wasteful number, since it uses less digits than its factorization.

87481611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1390 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 87481611 is about 9353.1604818906. The cubic root of 87481611 is about 443.9208983749.

The spelling of 87481611 in words is "eighty-seven million, four hundred eighty-one thousand, six hundred eleven".