87549123 has 16 divisors (see below), whose sum is σ = 118977696. Its totient is φ = 57254400.

The previous prime is 87549113. The next prime is 87549139. The reversal of 87549123 is 32194578.

It is not a de Polignac number, because 87549123 - 2⁴ = 87549107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87549113) 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, 32961 + ... + 35517.

It is an arithmetic number, because the mean of its divisors is an integer number (7436106).

Almost surely, 2^87549123 is an apocalyptic number.

87549123 is a deficient number, since it is larger than the sum of its proper divisors (31428573).

87549123 is a wasteful number, since it uses less digits than its factorization.

87549123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 60480, while the sum is 39.

The square root of 87549123 is about 9356.7688333099. The cubic root of 87549123 is about 444.0350643925.

The spelling of 87549123 in words is "eighty-seven million, five hundred forty-nine thousand, one hundred twenty-three".