87487834 has 12 divisors (see below), whose sum is σ = 152657514. Its totient is φ = 37494744.

The previous prime is 87487823. The next prime is 87487849. The reversal of 87487834 is 43878478.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62015625 + 25472209 = 7875^2 + 5047^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446269 + ... + 446464.

Almost surely, 2^87487834 is an apocalyptic number.

87487834 is a deficient number, since it is larger than the sum of its proper divisors (65169680).

87487834 is a wasteful number, since it uses less digits than its factorization.

87487834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892749 (or 892742 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 87487834 is about 9353.4931442750. The cubic root of 87487834 is about 443.9314242222.

The spelling of 87487834 in words is "eighty-seven million, four hundred eighty-seven thousand, eight hundred thirty-four".