87151105 has 8 divisors (see below), whose sum is σ = 105660072. Its totient is φ = 69001728.

The previous prime is 87151093. The next prime is 87151109. The reversal of 87151105 is 50115178.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 85821696 = 1153^2 + 9264^2 .

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 87151105 - 2⁹ = 87150593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87151109) 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, 89362 + ... + 90331.

It is an arithmetic number, because the mean of its divisors is an integer number (13207509).

Almost surely, 2^87151105 is an apocalyptic number.

It is an amenable number.

87151105 is a deficient number, since it is larger than the sum of its proper divisors (18508967).

87151105 is a wasteful number, since it uses less digits than its factorization.

87151105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179795.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 87151105 is about 9335.4756172356. The cubic root of 87151105 is about 443.3611476824.

The spelling of 87151105 in words is "eighty-seven million, one hundred fifty-one thousand, one hundred five".