87622671 has 4 divisors (see below), whose sum is σ = 116830232. Its totient is φ = 58415112.

The previous prime is 87622669. The next prime is 87622673. The reversal of 87622671 is 17622678.

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

It is an interprime number because it is at equal distance from previous prime (87622669) and next prime (87622673).

It is not a de Polignac number, because 87622671 - 2¹ = 87622669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87622673) 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 3 ways as a sum of consecutive naturals, for example, 14603776 + ... + 14603781.

It is an arithmetic number, because the mean of its divisors is an integer number (29207558).

Almost surely, 2^87622671 is an apocalyptic number.

87622671 is a deficient number, since it is larger than the sum of its proper divisors (29207561).

87622671 is a wasteful number, since it uses less digits than its factorization.

87622671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29207560.

The product of its digits is 56448, while the sum is 39.

The square root of 87622671 is about 9360.6982111379. The cubic root of 87622671 is about 444.1593707972.

The spelling of 87622671 in words is "eighty-seven million, six hundred twenty-two thousand, six hundred seventy-one".