87012303 has 16 divisors (see below), whose sum is σ = 134190336. Its totient is φ = 49121280.

The previous prime is 87012301. The next prime is 87012329. The reversal of 87012303 is 30321078.

It is not a de Polignac number, because 87012303 - 2¹ = 87012301 is a prime.

It is a super-2 number, since 2×87012303² = 15142281746727618, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87012301) 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, 23218 + ... + 26703.

It is an arithmetic number, because the mean of its divisors is an integer number (8386896).

Almost surely, 2^87012303 is an apocalyptic number.

87012303 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

87012303 is a deficient number, since it is larger than the sum of its proper divisors (47178033).

87012303 is a wasteful number, since it uses less digits than its factorization.

87012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50014.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 87012303 is about 9328.0385398003. The cubic root of 87012303 is about 443.1256482266.

The spelling of 87012303 in words is "eighty-seven million, twelve thousand, three hundred three".