68870011995 has 16 divisors (see below), whose sum is σ = 122435577120. Its totient is φ = 36730672992.

The previous prime is 68870011967. The next prime is 68870012011. The reversal of 68870011995 is 59911007886.

It is not a de Polignac number, because 68870011995 - 2¹⁰ = 68870010971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255073984 + ... + 255074253.

It is an arithmetic number, because the mean of its divisors is an integer number (7652223570).

Almost surely, 2^68870011995 is an apocalyptic number.

68870011995 is a deficient number, since it is larger than the sum of its proper divisors (53565565125).

68870011995 is a wasteful number, since it uses less digits than its factorization.

68870011995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510148251 (or 510148245 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 68870011995 in words is "sixty-eight billion, eight hundred seventy million, eleven thousand, nine hundred ninety-five".