87041670 has 32 divisors (see below), whose sum is σ = 209154528. Its totient is φ = 23182848.

The previous prime is 87041659. The next prime is 87041671. The reversal of 87041670 is 7614078.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87041671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37792 + ... + 40028.

It is an arithmetic number, because the mean of its divisors is an integer number (6536079).

Almost surely, 2^87041670 is an apocalyptic number.

87041670 is an abundant number, since it is smaller than the sum of its proper divisors (122112858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87041670 is a wasteful number, since it uses less digits than its factorization.

87041670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 87041670 is about 9329.6125321473. The cubic root of 87041670 is about 443.1754948449.

The spelling of 87041670 in words is "eighty-seven million, forty-one thousand, six hundred seventy".