247485080 has 32 divisors (see below), whose sum is σ = 568693440. Its totient is φ = 96887040.

The previous prime is 247485079. The next prime is 247485097. The reversal of 247485080 is 80584742.

It is a super-2 number, since 2×247485080² = 122497729645212800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63941 + ... + 67700.

It is an arithmetic number, because the mean of its divisors is an integer number (17771670).

Almost surely, 2^247485080 is an apocalyptic number.

247485080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247485080 is an abundant number, since it is smaller than the sum of its proper divisors (321208360).

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

247485080 is a wasteful number, since it uses less digits than its factorization.

247485080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131699 (or 131695 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 247485080 is about 15731.6585266780. The cubic root of 247485080 is about 627.8410013045.

The spelling of 247485080 in words is "two hundred forty-seven million, four hundred eighty-five thousand, eighty".