87453687 has 16 divisors (see below), whose sum is σ = 119103488. Its totient is φ = 57062880.

The previous prime is 87453683. The next prime is 87453719. The reversal of 87453687 is 78635478.

It is not a de Polignac number, because 87453687 - 2² = 87453683 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 (87453683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39738 + ... + 41880.

It is an arithmetic number, because the mean of its divisors is an integer number (7443968).

Almost surely, 2^87453687 is an apocalyptic number.

87453687 is a deficient number, since it is larger than the sum of its proper divisors (31649801).

87453687 is a wasteful number, since it uses less digits than its factorization.

87453687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its digits is 1128960, while the sum is 48.

The square root of 87453687 is about 9351.6676052991. The cubic root of 87453687 is about 443.8736603851.

The spelling of 87453687 in words is "eighty-seven million, four hundred fifty-three thousand, six hundred eighty-seven".