486687720 has 64 divisors (see below), whose sum is σ = 1461784320. Its totient is φ = 129630464.

The previous prime is 486687709. The next prime is 486687727. The reversal of 486687720 is 27786684.

It is a Cunningham number, because it is equal to 22061²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 486687720.

It is not an unprimeable number, because it can be changed into a prime (486687727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130522 + ... + 134198.

It is an arithmetic number, because the mean of its divisors is an integer number (22840380).

Almost surely, 2^486687720 is an apocalyptic number.

486687720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486687720 is an abundant number, since it is smaller than the sum of its proper divisors (975096600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486687720 is a wasteful number, since it uses less digits than its factorization.

486687720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 486687720 is about 22060.9999773356. Note that the first 4 decimals coincide. The cubic root of 486687720 is about 786.5930945590.

The spelling of 486687720 in words is "four hundred eighty-six million, six hundred eighty-seven thousand, seven hundred twenty".