247873288 has 16 divisors (see below), whose sum is σ = 500513580. Its totient is φ = 114403008.

The previous prime is 247873261. The next prime is 247873289. The reversal of 247873288 is 882378742.

247873288 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240808324 + 7064964 = 15518^2 + 2658^2 .

It is a super-2 number, since 2×247873288² = 122882333807861888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247873289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191595 + ... + 1191802.

Almost surely, 2^247873288 is an apocalyptic number.

It is an amenable number.

247873288 is an abundant number, since it is smaller than the sum of its proper divisors (252640292).

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

247873288 is a wasteful number, since it uses less digits than its factorization.

247873288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383416 (or 2383412 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 247873288 is about 15743.9921239818. The cubic root of 247873288 is about 628.1691093930.

The spelling of 247873288 in words is "two hundred forty-seven million, eight hundred seventy-three thousand, two hundred eighty-eight".