87437449 has 24 divisors (see below), whose sum is σ = 102156768. Its totient is φ = 74200320.

The previous prime is 87437393. The next prime is 87437459. The reversal of 87437449 is 94473478.

It is not a de Polignac number, because 87437449 - 2²⁵ = 53883017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87437399 and 87437408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87437459) 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 23 ways as a sum of consecutive naturals, for example, 385074 + ... + 385300.

It is an arithmetic number, because the mean of its divisors is an integer number (4256532).

Almost surely, 2^87437449 is an apocalyptic number.

It is an amenable number.

87437449 is a deficient number, since it is larger than the sum of its proper divisors (14719319).

87437449 is a wasteful number, since it uses less digits than its factorization.

87437449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 354 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 87437449 is about 9350.7993775933. The cubic root of 87437449 is about 443.8461865420.

The spelling of 87437449 in words is "eighty-seven million, four hundred thirty-seven thousand, four hundred forty-nine".