87734963 has 4 divisors (see below), whose sum is σ = 88603728. Its totient is φ = 86866200.

The previous prime is 87734939. The next prime is 87734987. The reversal of 87734963 is 36943778.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36943778 = 2 ⋅18471889.

It is an interprime number because it is at equal distance from previous prime (87734939) and next prime (87734987).

It is a cyclic number.

It is not a de Polignac number, because 87734963 - 2⁸ = 87734707 is a prime.

It is a super-2 number, since 2×87734963² = 15394847465222738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87730963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434231 + ... + 434432.

It is an arithmetic number, because the mean of its divisors is an integer number (22150932).

Almost surely, 2^87734963 is an apocalyptic number.

87734963 is a deficient number, since it is larger than the sum of its proper divisors (868765).

87734963 is a wasteful number, since it uses less digits than its factorization.

87734963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868764.

The product of its digits is 762048, while the sum is 47.

The square root of 87734963 is about 9366.6943475273. The cubic root of 87734963 is about 444.3490258747.

The spelling of 87734963 in words is "eighty-seven million, seven hundred thirty-four thousand, nine hundred sixty-three".