481878685 has 12 divisors (see below), whose sum is σ = 612526644. Its totient is φ = 362673920.

The previous prime is 481878671. The next prime is 481878689. The reversal of 481878685 is 586878184.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 190357209 + 291521476 = 13797^2 + 17074^2 .

It is not a de Polignac number, because 481878685 - 2⁷ = 481878557 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 (481878689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201195 + ... + 203575.

It is an arithmetic number, because the mean of its divisors is an integer number (51043887).

Almost surely, 2^481878685 is an apocalyptic number.

It is an amenable number.

481878685 is a deficient number, since it is larger than the sum of its proper divisors (130647959).

481878685 is an frugal number, since it uses more digits than its factorization.

481878685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 2403 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 55.

The square root of 481878685 is about 21951.7353528144. The cubic root of 481878685 is about 783.9936988639.

The spelling of 481878685 in words is "four hundred eighty-one million, eight hundred seventy-eight thousand, six hundred eighty-five".