68877013145 has 8 divisors (see below), whose sum is σ = 87002543040. Its totient is φ = 52201525680.

The previous prime is 68877013133. The next prime is 68877013171. The reversal of 68877013145 is 54131077886.

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

It is not a de Polignac number, because 68877013145 - 2²⁸ = 68608577689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68877013093 and 68877013102.

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, 362510501 + ... + 362510690.

It is an arithmetic number, because the mean of its divisors is an integer number (10875317880).

Almost surely, 2^68877013145 is an apocalyptic number.

It is an amenable number.

68877013145 is a deficient number, since it is larger than the sum of its proper divisors (18125529895).

68877013145 is a wasteful number, since it uses less digits than its factorization.

68877013145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725021215.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 68877013145 in words is "sixty-eight billion, eight hundred seventy-seven million, thirteen thousand, one hundred forty-five".