87545357 has 4 divisors (see below), whose sum is σ = 87617820. Its totient is φ = 87472896.

The previous prime is 87545327. The next prime is 87545363. The reversal of 87545357 is 75354578.

It is a happy number.

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 78340201 + 9205156 = 8851^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 87545357 - 2¹⁸ = 87283213 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 (87545317) 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, 34388 + ... + 36845.

It is an arithmetic number, because the mean of its divisors is an integer number (21904455).

Almost surely, 2^87545357 is an apocalyptic number.

It is an amenable number.

87545357 is a deficient number, since it is larger than the sum of its proper divisors (72463).

87545357 is a wasteful number, since it uses less digits than its factorization.

87545357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72462.

The product of its digits is 588000, while the sum is 44.

The square root of 87545357 is about 9356.5675864603. The cubic root of 87545357 is about 444.0286974525.

The spelling of 87545357 in words is "eighty-seven million, five hundred forty-five thousand, three hundred fifty-seven".