87437457 has 12 divisors (see below), whose sum is σ = 126444240. Its totient is φ = 58224408.

The previous prime is 87437393. The next prime is 87437459. The reversal of 87437457 is 75473478.

It is not a de Polignac number, because 87437457 - 2⁶ = 87437393 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 3394 + ... + 13652.

It is an arithmetic number, because the mean of its divisors is an integer number (10537020).

Almost surely, 2^87437457 is an apocalyptic number.

It is an amenable number.

87437457 is a deficient number, since it is larger than the sum of its proper divisors (39006783).

87437457 is a wasteful number, since it uses less digits than its factorization.

87437457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11209 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 87437457 is about 9350.7998053642. The cubic root of 87437457 is about 443.8462000784.

The spelling of 87437457 in words is "eighty-seven million, four hundred thirty-seven thousand, four hundred fifty-seven".