87070798 has 16 divisors (see below), whose sum is σ = 135495360. Its totient is φ = 41932800.

The previous prime is 87070793. The next prime is 87070811. The reversal of 87070798 is 89707078.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87070793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 13198.

It is an arithmetic number, because the mean of its divisors is an integer number (8468460).

Almost surely, 2^87070798 is an apocalyptic number.

87070798 is a deficient number, since it is larger than the sum of its proper divisors (48424562).

87070798 is a wasteful number, since it uses less digits than its factorization.

87070798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 87070798 is about 9331.1734524657. The cubic root of 87070798 is about 443.2249247181.

The spelling of 87070798 in words is "eighty-seven million, seventy thousand, seven hundred ninety-eight".