87070845 has 16 divisors (see below), whose sum is σ = 139482432. Its totient is φ = 46381440.

The previous prime is 87070831. The next prime is 87070849. The reversal of 87070845 is 54807078.

It is not a de Polignac number, because 87070845 - 2⁵ = 87070813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87070849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11250 + ... + 17340.

It is an arithmetic number, because the mean of its divisors is an integer number (8717652).

Almost surely, 2^87070845 is an apocalyptic number.

It is an amenable number.

87070845 is a deficient number, since it is larger than the sum of its proper divisors (52411587).

87070845 is a wasteful number, since it uses less digits than its factorization.

87070845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87070845 is about 9331.1759709053. The cubic root of 87070845 is about 443.2250044676.

The spelling of 87070845 in words is "eighty-seven million, seventy thousand, eight hundred forty-five".