247006887 has 8 divisors (see below), whose sum is σ = 330020736. Its totient is φ = 164332152.

The previous prime is 247006849. The next prime is 247006901. The reversal of 247006887 is 788600742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247006887 - 2²³ = 238618279 is a prime.

It is a super-2 number, since 2×247006887² = 122024804450861538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247006817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83073 + ... + 85994.

It is an arithmetic number, because the mean of its divisors is an integer number (41252592).

Almost surely, 2^247006887 is an apocalyptic number.

247006887 is a deficient number, since it is larger than the sum of its proper divisors (83013849).

247006887 is a wasteful number, since it uses less digits than its factorization.

247006887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169557.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 247006887 is about 15716.4527486326. The cubic root of 247006887 is about 627.4363671499.

The spelling of 247006887 in words is "two hundred forty-seven million, six thousand, eight hundred eighty-seven".