87127870 has 16 divisors (see below), whose sum is σ = 160656048. Its totient is φ = 34000960.

The previous prime is 87127867. The next prime is 87127871. The reversal of 87127870 is 7872178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87127871) 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, 105844 + ... + 106663.

It is an arithmetic number, because the mean of its divisors is an integer number (10041003).

Almost surely, 2^87127870 is an apocalyptic number.

87127870 is a deficient number, since it is larger than the sum of its proper divisors (73528178).

87127870 is a wasteful number, since it uses less digits than its factorization.

87127870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212555.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 87127870 is about 9334.2310877758. The cubic root of 87127870 is about 443.3217432790.

The spelling of 87127870 in words is "eighty-seven million, one hundred twenty-seven thousand, eight hundred seventy".