87375147 has 4 divisors (see below), whose sum is σ = 116500200. Its totient is φ = 58250096.

The previous prime is 87375131. The next prime is 87375151. The reversal of 87375147 is 74157378.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87375147 - 2⁴ = 87375131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87375099 and 87375108.

It is not an unprimeable number, because it can be changed into a prime (87375157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14562522 + ... + 14562527.

It is an arithmetic number, because the mean of its divisors is an integer number (29125050).

Almost surely, 2^87375147 is an apocalyptic number.

87375147 is a deficient number, since it is larger than the sum of its proper divisors (29125053).

87375147 is a wasteful number, since it uses less digits than its factorization.

87375147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29125052.

The product of its digits is 164640, while the sum is 42.

The square root of 87375147 is about 9347.4674110157. The cubic root of 87375147 is about 443.7407432573.

The spelling of 87375147 in words is "eighty-seven million, three hundred seventy-five thousand, one hundred forty-seven".