87478270 has 32 divisors (see below), whose sum is σ = 174604896. Its totient is φ = 31286400.

The previous prime is 87478253. The next prime is 87478273. The reversal of 87478270 is 7287478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87478273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (5456403).

Almost surely, 2^87478270 is an apocalyptic number.

87478270 is a deficient number, since it is larger than the sum of its proper divisors (87126626).

87478270 is a wasteful number, since it uses less digits than its factorization.

87478270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 87478270 is about 9352.9818774549. The cubic root of 87478270 is about 443.9152470592.

The spelling of 87478270 in words is "eighty-seven million, four hundred seventy-eight thousand, two hundred seventy".