8687242838 has 16 divisors (see below), whose sum is σ = 13316909760. Its totient is φ = 4248395136.

The previous prime is 8687242819. The next prime is 8687242841. The reversal of 8687242838 is 8382427868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116228 + ... + 175736.

It is an arithmetic number, because the mean of its divisors is an integer number (832306860).

Almost surely, 2^8687242838 is an apocalyptic number.

8687242838 is a deficient number, since it is larger than the sum of its proper divisors (4629666922).

8687242838 is a wasteful number, since it uses less digits than its factorization.

8687242838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61111.

The product of its digits is 8257536, while the sum is 56.

The square root of 8687242838 is about 93205.3798769148. The cubic root of 8687242838 is about 2055.7043453590.

The spelling of 8687242838 in words is "eight billion, six hundred eighty-seven million, two hundred forty-two thousand, eight hundred thirty-eight".