87625773 has 16 divisors (see below), whose sum is σ = 131462400. Its totient is φ = 57676320.

The previous prime is 87625771. The next prime is 87625789. The reversal of 87625773 is 37752678.

87625773 is a `hidden beast` number, since 8 + 76 + 2 + 577 + 3 = 666.

It is not a de Polignac number, because 87625773 - 2¹ = 87625771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87625771) 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 15 ways as a sum of consecutive naturals, for example, 18408 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (8216400).

Almost surely, 2^87625773 is an apocalyptic number.

It is an amenable number.

87625773 is a deficient number, since it is larger than the sum of its proper divisors (43836627).

87625773 is a wasteful number, since it uses less digits than its factorization.

87625773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41169 (or 41163 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 87625773 is about 9360.8639024398. The cubic root of 87625773 is about 444.1646120819.

It can be divided in two parts, 8762 and 5773, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 87625773 in words is "eighty-seven million, six hundred twenty-five thousand, seven hundred seventy-three".