87710545 has 8 divisors (see below), whose sum is σ = 113349096. Its totient is φ = 64770816.

The previous prime is 87710543. The next prime is 87710573. The reversal of 87710545 is 54501778.

It can be written as a sum of positive squares in 4 ways, for example, as 2259009 + 85451536 = 1503^2 + 9244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87710545 - 2¹ = 87710543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87710543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674632 + ... + 674761.

It is an arithmetic number, because the mean of its divisors is an integer number (14168637).

Almost surely, 2^87710545 is an apocalyptic number.

It is an amenable number.

87710545 is a deficient number, since it is larger than the sum of its proper divisors (25638551).

87710545 is a wasteful number, since it uses less digits than its factorization.

87710545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349411.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 87710545 is about 9365.3908087170. The cubic root of 87710545 is about 444.3077989761.

It can be divided in two parts, 877105 and 45, that added together give a triangular number (877150 = T₁₃₂₄).

The spelling of 87710545 in words is "eighty-seven million, seven hundred ten thousand, five hundred forty-five".