87070363 has 4 divisors (see below), whose sum is σ = 88497808. Its totient is φ = 85642920.

The previous prime is 87070349. The next prime is 87070411. The reversal of 87070363 is 36307078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87070363 - 2²¹ = 84973211 is a prime.

It is a super-2 number, since 2×87070363² = 15162496225903538, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87070303) 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 3 ways as a sum of consecutive naturals, for example, 713631 + ... + 713752.

It is an arithmetic number, because the mean of its divisors is an integer number (22124452).

Almost surely, 2^87070363 is an apocalyptic number.

87070363 is a deficient number, since it is larger than the sum of its proper divisors (1427445).

87070363 is a wasteful number, since it uses less digits than its factorization.

87070363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427444.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 87070363 is about 9331.1501434711. The cubic root of 87070363 is about 443.2241866093.

The spelling of 87070363 in words is "eighty-seven million, seventy thousand, three hundred sixty-three".