68424627755 has 16 divisors (see below), whose sum is σ = 89739668448. Its totient is φ = 49671360000.

The previous prime is 68424627737. The next prime is 68424627769. The reversal of 68424627755 is 55772642486.

It is not a de Polignac number, because 68424627755 - 2¹⁴ = 68424611371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68424627755.

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, 1120046 + ... + 1179555.

It is an arithmetic number, because the mean of its divisors is an integer number (5608729278).

Almost surely, 2^68424627755 is an apocalyptic number.

68424627755 is a deficient number, since it is larger than the sum of its proper divisors (21315040693).

68424627755 is a wasteful number, since it uses less digits than its factorization.

68424627755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300158.

The product of its digits is 22579200, while the sum is 56.

The spelling of 68424627755 in words is "sixty-eight billion, four hundred twenty-four million, six hundred twenty-seven thousand, seven hundred fifty-five".