68749882155 has 24 divisors (see below), whose sum is σ = 126176255712. Its totient is φ = 34509744384.

The previous prime is 68749882073. The next prime is 68749882177. The reversal of 68749882155 is 55128894786.

68749882155 is a `hidden beast` number, since 68 + 7 + 498 + 82 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 68749882155 - 2⁷ = 68749882027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68749882092 and 68749882101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44933799 + ... + 44935328.

It is an arithmetic number, because the mean of its divisors is an integer number (5257343988).

Almost surely, 2^68749882155 is an apocalyptic number.

68749882155 is a deficient number, since it is larger than the sum of its proper divisors (57426373557).

68749882155 is a wasteful number, since it uses less digits than its factorization.

68749882155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89869155 (or 89869152 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 68749882155 in words is "sixty-eight billion, seven hundred forty-nine million, eight hundred eighty-two thousand, one hundred fifty-five".