87548345 has 4 divisors (see below), whose sum is σ = 105058020. Its totient is φ = 70038672.

The previous prime is 87548341. The next prime is 87548347. The reversal of 87548345 is 54384578.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55591936 + 31956409 = 7456^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 87548345 - 2² = 87548341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87548296 and 87548305.

It is not an unprimeable number, because it can be changed into a prime (87548341) 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, 8754830 + ... + 8754839.

It is an arithmetic number, because the mean of its divisors is an integer number (26264505).

Almost surely, 2^87548345 is an apocalyptic number.

It is an amenable number.

87548345 is a deficient number, since it is larger than the sum of its proper divisors (17509675).

87548345 is a wasteful number, since it uses less digits than its factorization.

87548345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509674.

The product of its digits is 537600, while the sum is 44.

The square root of 87548345 is about 9356.7272590367. The cubic root of 87548345 is about 444.0337490917.

The spelling of 87548345 in words is "eighty-seven million, five hundred forty-eight thousand, three hundred forty-five".