87630941 has 4 divisors (see below), whose sum is σ = 87650400. Its totient is φ = 87611484.

The previous prime is 87630929. The next prime is 87630997. The reversal of 87630941 is 14903678.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87630941 - 2²² = 83436637 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87630895 and 87630904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87630241) 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, 890 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (21912600).

Almost surely, 2^87630941 is an apocalyptic number.

It is an amenable number.

87630941 is a deficient number, since it is larger than the sum of its proper divisors (19459).

87630941 is a wasteful number, since it uses less digits than its factorization.

87630941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19458.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87630941 is about 9361.1399412678. The cubic root of 87630941 is about 444.1733439025.

The spelling of 87630941 in words is "eighty-seven million, six hundred thirty thousand, nine hundred forty-one".