87725683 has 4 divisors (see below), whose sum is σ = 88961328. Its totient is φ = 86490040.

The previous prime is 87725669. The next prime is 87725689. The reversal of 87725683 is 38652778.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38652778 = 2 ⋅19326389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87725683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87725689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617716 + ... + 617857.

It is an arithmetic number, because the mean of its divisors is an integer number (22240332).

Almost surely, 2^87725683 is an apocalyptic number.

87725683 is a deficient number, since it is larger than the sum of its proper divisors (1235645).

87725683 is a wasteful number, since it uses less digits than its factorization.

87725683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235644.

The product of its digits is 564480, while the sum is 46.

The square root of 87725683 is about 9366.1989622258. The cubic root of 87725683 is about 444.3333585960. Note that the first 4 decimals are identical.

The spelling of 87725683 in words is "eighty-seven million, seven hundred twenty-five thousand, six hundred eighty-three".