487078845 has 72 divisors (see below), whose sum is σ = 887771808. Its totient is φ = 227747520.

The previous prime is 487078819. The next prime is 487078847. The reversal of 487078845 is 548870784.

It is not a de Polignac number, because 487078845 - 2¹³ = 487070653 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487078847) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6165516 + ... + 6165594.

It is an arithmetic number, because the mean of its divisors is an integer number (12330164).

Almost surely, 2^487078845 is an apocalyptic number.

It is an amenable number.

487078845 is a deficient number, since it is larger than the sum of its proper divisors (400692963).

487078845 is a wasteful number, since it uses less digits than its factorization.

487078845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The square root of 487078845 is about 22069.8628224101. The cubic root of 487078845 is about 786.8037524632.

The spelling of 487078845 in words is "four hundred eighty-seven million, seventy-eight thousand, eight hundred forty-five".