87970 has 16 divisors (see below), whose sum is σ = 167040. Its totient is φ = 33264.

The previous prime is 87961. The next prime is 87973. The reversal of 87970 is 7978.

It is not an unprimeable number, because it can be changed into a prime (87973) 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, 42 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (10440).

2⁸⁷⁹⁷⁰ is an apocalyptic number.

87970 is a deficient number, since it is larger than the sum of its proper divisors (79070).

87970 is a wasteful number, since it uses less digits than its factorization.

87970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 87970 is about 296.5973701839. The cubic root of 87970 is about 44.4745467367.

It can be divided in two parts, 879 and 70, that added together give a palindrome (949).

The spelling of 87970 in words is "eighty-seven thousand, nine hundred seventy".